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1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:18:05 | cubic roots are you talking about principle roots? | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:18:50 | I'm talking about the nth roots of unity in complex numbers | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:18:58 | 3rd roots in this case | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:19:53 | im sorry i lost you | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:20:07 | whats an nth roots of unity | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:20:37 | We call Z a nth root of unity if Z^n = 1 | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:20:58 | 3rd roots of unity would be written as Z^3 = 1 | 0 | 1 | 328,662,734,008,746,000 | Geopchad | 6356 | Geopchad | false | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:21:20 | Z is a + bi? | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:21:33 | Yeah it's a complex number | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:21:51 | oh okay | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:22:20 | Are you familiar with the exponential notation for complex numbers? | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:22:33 | no it wasn't mentioned in our course | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:22:54 | I see | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:24:29 | Well it's known that the 3rd roots of unity are 1, -1/2 + i√3/2 and -1/2 - i√3/2 | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:24:36 | They're not equal | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:24:37 | But | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:25:23 | 1³ = (-1/2 + i√3/2)³ = (-1/2 - i√3/2)³ = 1 | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:25:59 | Even though they're not equal their cubes are equal | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:26:03 | And that's a counter example | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:26:34 | When trying to find a counter example for these kinds of questions, just try to think of something simple | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:26:37 | Of small numbers | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:26:41 | Like 1 in this case | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:35:47 | interesting but i didn't know about nth roots of unity | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:35:59 | do you think that was what i would have been missing to find such example? | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:36:29 | i mean when i am asked about a complex number i straightaway think about a+bi form | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:40:25 | oh looking at the script now i see they did mention z = re^{i alpha} | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:41:22 | saying that alpha is an angle and r is the magnitude | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:41:24 | thats all | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:47:16 | Yes that's the exponential notation I was talking about | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:47:29 | Learning it is really crucial when working with complex numbers | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:47:33 | It makes things way easier | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:48:02 | You should also learn the trigonometric form of a complex number | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:48:10 | but how do I deduce from that z = re^{i alpha} that nth roots of unity is 1 | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:48:22 | thing is, they just gave us a very small intro about it | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:48:29 | The nth roots of unity aren't 1 | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:48:37 | The nth roots of unity are the nth roots of 1 | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:48:42 | Unity means 1 | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:51:13 | It's not straight forward for you since you don't know a lot about exponential and trigonometric forms of complex numbers | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:51:22 | yeah | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:51:25 | im still confused tbh | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:51:35 | Just look it up on youtube | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:51:38 | i skipped the question and just worked on the other assignments | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:51:41 | It'll help you a lot | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:51:44 | but def im going to look this up | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:52:23 | you suggest to look up complex numbers in general or specific points ? | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:52:33 | because you mentioned this "You should also learn the trigonometric form of a complex number" | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:53:08 | im lowkey triggered the fact i wasn't able to find the solution straight up | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:53:56 | like through the whole day i've spent in total 6 hours thinking about a solution and absolutely no clue | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:54:55 | i thought that z = a+bi is a direction to a point and every time you ^n it rotates counter clockwise so whats the number that when you set it ^3 will get the same value at the end | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 16:55:41 | it def came to me this angle stuff but nothing was mentioned in my course that talks about it so if start writing stuff outside the script it will be sus | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 16:58:52 | Some problems can't be solved just by using the algebraic expression of a complex number which is a +bi | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 17:06:16 | They told you a complex number is written as re^theta | 0 | 1 | 456,226,577,798,135,800 | Deleted User | 0000 | Deleted User | false | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 17:06:36 | re^theta is the same as r^theta+2π | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 17:07:31 | wait a sec i think they mentioned another way to find out about this 1^3 | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 17:07:43 | they gave a lemma with | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 17:08:06 | $g: \mathbb{R} \rightarrow \mathbb{C}, \ g(a) = a+0i$ | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 510,789,298,321,096,700 | TeXit | 11/12/2021 17:08:08 | **mhD** | 878046330214293544.png | 0 | 1 | null | null | null | null | null | ||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 17:09:03 | mentioned some operation to show that we can use real numbers to make it seems like we using real numbers but instead its a complex number | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 17:09:17 | also it says that the function is injective | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 17:10:00 | next lemma after this one talks about | unknown.png | 1 | 0 | null | null | null | null | null | ||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 17:10:27 | Just work with e theta they talked about | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 17:10:53 | nah there is no theta | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 17:10:53 | unknown.png | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 17:11:00 | this is what they have written into | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 17:11:14 | saying that alpha is an angle and it is irrelevant when |z| = 0 | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 17:14:23 | thank you very much for the help though @Kiretori | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 17:15:24 | Give a sec | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 17:15:33 | yeah im still around | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 17:20:08 | these are the different ways to express a complex number | IMG_20211112_231915.jpg | 0 | 1 | null | null | null | null | null | ||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 17:21:53 | If you know trignometry you'll understand why a = rcos(alpha) and b= r×isin(alpha) | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 17:25:11 | And then from this we can deduce that re^i(alpha) is the same as re^i(alpha + 2π) | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 17:25:44 | Because we would just turn counter clock wise and reach the angle alpha again | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 17:25:51 | We would have the same number Z | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 17:26:03 | like I might get why (-1/2 + i√3/2)³ = 1^3 | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 17:26:34 | because if we ^3 the left side then it will counter clockwise and probably the angle is so small that it becomes flat on the a line | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 456,226,577,798,135,800 | Deleted User | 11/12/2021 17:26:53 | but how is this supposed to be equal (-1/2 - i√3/2)³ = 1^3? | 1 | 0 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 17:51:14 | IMG_20211112_235013.jpg | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 17:51:41 | Here I showed that even tho we have z³ = z'³ | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 17:51:55 | z doesn't equal z | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 17:52:18 | Because alpha/3 and (alpha/3 + 2π/3) is not the same angle | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 17:52:41 | While alpha and (alpha + 2π) is the "same" angle | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 251,854,584,597,708,800 | PapaBread | 11/12/2021 17:53:12 | ,rotate | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 510,789,298,321,096,700 | TeXit | 11/12/2021 17:53:29 | 251854584597708800.png | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 251,854,584,597,708,800 | PapaBread | 11/12/2021 17:53:34 | 😎 | 0 | 1 | null | null | null | null | null | |||||
1,835 | help-10 | 1bab00acaf8c4f69821f6cc76dc6d5c3 | 351,449,458,136,842,240 | Kiretori | 11/12/2021 17:55:04 | 😱 | 0 | 1 | null | null | null | null | null | |||||
1,837 | help-10 | d2edc9fd853843fc908c336dc472611e | 116,699,495,055,491,070 | ihaverizzstrainingorder | 04/12/2022 01:51:52 | how do you find llv+wll vs llvll+llwll? | 1 | 0 | null | null | null | null | null | |||||
1,837 | help-10 | d2edc9fd853843fc908c336dc472611e | 176,048,095,543,558,140 | tushar | 04/12/2022 01:56:14 | depends on how the norm is defined | 0 | 1 | null | null | null | null | null | |||||
1,837 | help-10 | d2edc9fd853843fc908c336dc472611e | 176,048,095,543,558,140 | tushar | 04/12/2022 01:57:19 | but the Cauchy-Schwarz inequality states that \|\|v+w\|\| <= \|\|v\|\| \|\|w\|\| when the norm is induced by an inner product | 0 | 1 | null | null | null | null | null | |||||
1,837 | help-10 | d2edc9fd853843fc908c336dc472611e | 176,048,095,543,558,140 | tushar | 04/12/2022 01:59:22 | and there is equality whenever v and w and linearly dependent | 0 | 1 | 351,449,458,136,842,240 | Kiretori | 8007 | Kiretori | false | |||||
1,838 | help-10 | bd90451cee074abd8bb8634727a92e95 | 896,927,649,602,101,200 | Kosta | 04/12/2022 02:24:34 | unknown.png | 1 | 0 | null | null | null | null | null | |||||
1,838 | help-10 | bd90451cee074abd8bb8634727a92e95 | 896,927,649,602,101,200 | Kosta | 04/12/2022 02:24:50 | can someone explain how to do this? | 1 | 0 | null | null | null | null | null | |||||
1,838 | help-10 | bd90451cee074abd8bb8634727a92e95 | 591,872,343,320,821,800 | Doggo | 04/12/2022 02:41:35 | for f(g(x)) to be defined, g(x) has to be in [1, infty) so g(x) >= 1
for g(f(x)) to be defined, f(x) has to be in (-infty, 2] so f(x) <= 2 | 0 | 1 | null | null | null | null | null | |||||
1,838 | help-10 | bd90451cee074abd8bb8634727a92e95 | 896,927,649,602,101,200 | Kosta | 04/12/2022 02:42:24 | yes? | 1 | 0 | null | null | null | null | null | |||||
1,838 | help-10 | bd90451cee074abd8bb8634727a92e95 | 591,872,343,320,821,800 | Doggo | 04/12/2022 02:44:13 | yeah then you just solve the inequalities? | 0 | 1 | null | null | null | null | null | |||||
1,838 | help-10 | bd90451cee074abd8bb8634727a92e95 | 591,872,343,320,821,800 | Doggo | 04/12/2022 02:44:39 | keep in mind that for g(x) >= 1 you also have x <= 2 and for f(x) <= 2 you have x >= 1 | 0 | 1 | null | null | null | null | null | |||||
1,839 | help-10 | c0a7618e616740f494242d90fa61dc6c | 576,541,150,761,058,300 | 'secret | 04/12/2022 08:20:29 | @Helpers | 1 | 0 | null | null | null | null | null | |||||
1,839 | help-10 | c0a7618e616740f494242d90fa61dc6c | 576,541,150,761,058,300 | 'secret | 04/12/2022 08:20:41 | i don’t understand this | 1 | 0 | null | null | null | null | null | |||||
1,840 | help-10 | d27f892eba9b4045a7ec7f364507626a | 246,174,820,088,152,060 | 99muppets | 04/12/2022 09:35:18 | unknown.png | 1 | 0 | null | null | null | null | null | |||||
1,840 | help-10 | d27f892eba9b4045a7ec7f364507626a | 246,174,820,088,152,060 | 99muppets | 04/12/2022 09:35:33 | I cannot get B
I found the forces on A = T - 2w_B
forces on B = w_B - T
and the accelerations of B and A are the same
so
(T - 2w_B) / w_A = (w_B - T) / w_B
w_B(T - 2w_B) = w_A(w_B - T)
and now this is already clearly super wrong
so idk what to do | 1 | 0 | null | null | null | null | null | |||||
1,840 | help-10 | d27f892eba9b4045a7ec7f364507626a | 246,174,820,088,152,060 | 99muppets | 04/12/2022 09:35:36 | im going fucking insane | 1 | 0 | null | null | null | null | null |
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