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help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:33:48
not ls
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help-10
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Hasbulla
11/11/2021 17:33:51
sorry
1
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help-10
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Hasbulla
11/11/2021 17:33:54
that was my mistake
1
0
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help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:34:06
how did you get 1+sin(x)/(sin(x)/sin(x))
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1
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help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:34:13
i multiplied 1 by sin
1
0
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:34:17
to get the same denom
1
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:34:33
https://cdn.discordapp.c…0214/unknown.png
unknown.png
1
0
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help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:34:35
see
1
0
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help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:35:10
okay but then what did you do to the 1/sin(x)
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help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:35:17
it doesn't really seem to follow
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:35:17
add
1
0
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:35:34
1+ sinx is just sinx right?
1
0
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:35:40
No
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:35:48
Think of the graph of sin(x)
0
1
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:35:53
oh yea
1
0
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help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:35:54
i see
1
0
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:35:55
nvm
1
0
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:35:56
sin(x) + 1 is not equal to sin(x)
0
1
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help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:36:04
so how do u do it then
1
0
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:36:13
multiply your denominator and numerator by sin(x)
0
1
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help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:36:23
then you should be able to cancel out a 1 + sin(x)
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1
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:36:29
leaving you with just sin(x)
0
1
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:36:51
how can i cancel out the 1+sinx?
1
0
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:38:01
https://cdn.discordapp.c…4519/unknown.png
unknown.png
1
0
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help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:38:02
like that?
1
0
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:38:22
https://cdn.discordapp.c…0681/unknown.png
unknown.png
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help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:38:45
Not quite...
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help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:38:56
You can't just cancel out numerator terms like that
0
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help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:39:13
I suggest you to practice simplifying rational functions
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help-10
3520f920f8ce4427b7597a4920ad5214
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Hasbulla
11/11/2021 17:39:24
we did those last year
1
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help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:39:29
i am really confused
1
0
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help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:39:31
on what u did
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help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:39:41
how did u get sin(x) (1+sinx)
1
0
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:39:46
on the numerator
1
0
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help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:39:48
Here:
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1
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help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:41:06
https://cdn.discordapp.c…1562/unknown.png
unknown.png
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1
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help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:41:33
because we are allowed to multiply anything by 1
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help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:41:38
and sin(x)/sin(x) = 1
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1
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help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:41:51
oh ok
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help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:41:59
i get what u did
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help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:42:11
u had to multiple each part
1
0
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:42:13
and 1 + sin(x) = sin(x) + 1
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1
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:42:19
by the commutative property of addition
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help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:44:04
@QLightningWolf44 ok what about
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help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:44:12
1-tanx/1-cotx=-tanx
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QLightningWolf44
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QLightningWolf44
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:44:18
how would that work
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0
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:44:46
do the same process, but this time you're going to have to factor out a negative
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:45:13
what do we multiply by tho?
1
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818,288,794,021,134,300
Hasbulla
3763
Hasbulla
false
1,702
help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:45:33
cos+sin?
1
0
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:45:43
gcf of the equation?
1
0
null
null
null
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:46:34
notice that 1 - tan(x) = -(tan(x) - 1)
0
1
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:46:58
so apply what we did with sin(x) but multiply by tan(x)
0
1
null
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:47:43
why by tanx
1
0
null
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:47:49
and how would you know what to multiply by?
1
0
null
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
818,288,794,021,134,300
Hasbulla
11/11/2021 17:48:57
and do we turn them into sin/cos and cos/sin?
1
0
null
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null
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1,702
help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:56:38
no, we don't need to
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help-10
3520f920f8ce4427b7597a4920ad5214
353,833,028,600,070,140
QLightningWolf44
11/11/2021 17:56:48
unless we get stuck we don't need to
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help-10
36dec72e87d94506b007c50f0c6fee61
851,784,421,559,238,700
Bes
04/05/2022 05:44:08
In which channel would one discuss mathematical optimizing, in particularly linear programming?
1
0
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help-10
36dec72e87d94506b007c50f0c6fee61
551,269,104,800,104,450
EndTimes
04/05/2022 05:47:05
This one
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help-10
36dec72e87d94506b007c50f0c6fee61
851,784,421,559,238,700
Bes
04/05/2022 05:49:00
What about general discussion rather than assistance in a specific problem?
1
0
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help-10
36dec72e87d94506b007c50f0c6fee61
851,784,421,559,238,700
Bes
04/05/2022 05:49:19
Under the early uni / advanced mathematics tabs, I mean
1
0
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help-10
36dec72e87d94506b007c50f0c6fee61
851,784,421,559,238,700
Bes
04/05/2022 05:49:34
Not sure which one covers the topic
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help-10
36dec72e87d94506b007c50f0c6fee61
917,801,177,272,430,700
Lutgardis
04/05/2022 05:52:54
you can try #linear-algebra
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help-10
36dec72e87d94506b007c50f0c6fee61
851,784,421,559,238,700
Bes
04/05/2022 05:53:39
Alright thank you, I hadn’t come across linear algebra containing constraints, so I didn’t know if it would be a suitable channel. Thanks!
1
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help-10
36dec72e87d94506b007c50f0c6fee61
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Bes
04/05/2022 05:53:50
.close
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QLightningWolf44
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help-10
69382d91698349cea5acbe4b3e6d3f7f
456,226,577,798,135,800
Deleted User
04/05/2022 05:55:37
https://cdn.discordapp.c…5850/unknown.png
unknown.png
1
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help-10
69382d91698349cea5acbe4b3e6d3f7f
456,226,577,798,135,800
Deleted User
04/05/2022 05:59:16
what does the plus inside the box sign mean? The answer is apparently d but i dont know how to arrive there
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help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 05:59:34
Sorry I don't speak Arabic
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help-10
69382d91698349cea5acbe4b3e6d3f7f
456,226,577,798,135,800
Deleted User
04/05/2022 06:01:20
it says: If x + y =.... for all real x and y, then all real x, y applies:
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help-10
69382d91698349cea5acbe4b3e6d3f7f
456,226,577,798,135,800
Deleted User
04/05/2022 06:02:22
d) neither of them between a and c applies
1
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help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:02:38
Ok that little symbol is an operation defined on x and y that returns that operation
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help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:03:00
Maybe it would be more clear if I wrote it as a multivariate function
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help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:03:36
$f(x,y) = \sqrt{x^2+4xy+4y^2} - 2y + x$
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help-10
69382d91698349cea5acbe4b3e6d3f7f
510,789,298,321,096,700
TeXit
04/05/2022 06:03:39
**EndTimes**
https://cdn.discordapp.c…104800104449.png
551269104800104449.png
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help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:03:43
Yes?
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help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:03:45
Or no?
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QLightningWolf44
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QLightningWolf44
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help-10
69382d91698349cea5acbe4b3e6d3f7f
456,226,577,798,135,800
Deleted User
04/05/2022 06:04:01
sounds clearer yeah
1
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help-10
69382d91698349cea5acbe4b3e6d3f7f
456,226,577,798,135,800
Deleted User
04/05/2022 06:04:21
dont know how to solve this though
1
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help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:04:23
Now look at the first problem
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help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:04:37
It tells you that f(x,y) = 2x
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help-10
69382d91698349cea5acbe4b3e6d3f7f
456,226,577,798,135,800
Deleted User
04/05/2022 06:05:28
yeah
1
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help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:06:17
Is that always true?
0
1
null
null
null
null
null
1,704
help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:06:32
Does 2x always equal that expression on the right hand side
0
1
null
null
null
null
null
1,704
help-10
69382d91698349cea5acbe4b3e6d3f7f
456,226,577,798,135,800
Deleted User
04/05/2022 06:06:57
maybe?
1
0
851,784,421,559,238,700
Bes
4079
Bes
false
1,704
help-10
69382d91698349cea5acbe4b3e6d3f7f
456,226,577,798,135,800
Deleted User
04/05/2022 06:07:26
if i simpy the expression it is 2x
1
0
917,801,177,272,430,700
Lutgardis
8107
Lutgardis
false
1,704
help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:16:02
This is a multiple choice question?
0
1
null
null
null
null
null
1,704
help-10
69382d91698349cea5acbe4b3e6d3f7f
456,226,577,798,135,800
Deleted User
04/05/2022 06:16:11
yes
1
0
null
null
null
null
null
1,704
help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:16:33
Does f(x,y) always equal 2x?
0
1
null
null
null
null
null
1,704
help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:17:03
well let's see
0
1
null
null
null
null
null
1,704
help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:17:54
(x-2y)^2 = x^2 - 4xy + 4y^2 Is that the same as what we have under the square root?
0
1
null
null
null
null
null
1,704
help-10
69382d91698349cea5acbe4b3e6d3f7f
456,226,577,798,135,800
Deleted User
04/05/2022 06:20:37
no
1
0
null
null
null
null
null
1,704
help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:23:15
Ok
0
1
null
null
null
null
null
1,704
help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:23:28
Now let's look at b
0
1
null
null
null
null
null
1,704
help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:23:41
What is f(-x,y)?
0
1
null
null
null
null
null
1,704
help-10
69382d91698349cea5acbe4b3e6d3f7f
456,226,577,798,135,800
Deleted User
04/05/2022 06:24:47
i am not familiar with multi variable functions
1
0
null
null
null
null
null
1,704
help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:26:55
It's ok
0
1
null
null
null
null
null
1,704
help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:27:03
Just let x = -x
0
1
null
null
null
null
null
1,704
help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:27:52
Then you get: sqrt(x^2-4xy+4y^2) - 2y - x
0
1
null
null
null
null
null
1,704
help-10
69382d91698349cea5acbe4b3e6d3f7f
551,269,104,800,104,450
EndTimes
04/05/2022 06:28:02
Does that also always equal 2x?
0
1
null
null
null
null
null
1,704
help-10
69382d91698349cea5acbe4b3e6d3f7f
456,226,577,798,135,800
Deleted User
04/05/2022 06:28:09
no
1
0
null
null
null
null
null