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In multiverse theories, how can parallel/alternate versions of reality exist? Is the universe alive and creating? How is this possible?
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Why is Saltwater Taffy candy imported in Portugal?
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On what date was New Delhi inaugurated?
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14. If $y=y(x)$ and $\frac{2+\sin x}{y+1}\left(\frac{d y}{d x}\right)=-\cos x, y(0)=1$, then $y(\pi / 2)$ equals a. $1 / 3$ b. $2 / 3$ c. $-1 / 3$ d. 1
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25. A body is weighed by a spring balance to be $1.000 \mathrm{~kg}$ at the north pole. How much will it weigh at the equator? Account for the earth's rotation only.
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10. After 280 days, the activity of a radioactive sample is $6000 \mathrm{dps}$. The activity reduces to $3000 \mathrm{dps}$ after another 140 days. The initial activity of the sample in dps is (a) 6000 (b) 9000 (c) 3000 (d) 24000
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Ex. 38. 0.75 mole of solid ' $\mathrm{A}_{4}$ ' and 2 moles of gaseous $\mathrm{O}_{2}$ are heated in a sealed vessel, completely using up the reactants and producing only one compound. It is found that when the temperature is reduced to the initial temperature, the contents of the vessel exhibit a pressure equal to ha...
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58. Let $g(x)$ be the inverse of an invertible function $f(x)$, which is differentiable for all real $x$, then $g^{\prime \prime}(f(x))$ equals a. $-\frac{f^{\prime \prime}(x)}{\left(f^{\prime}(x)\right)^{3}}$ b. $\frac{f^{\prime}(x) f^{\prime \prime}(x)-\left(f^{\prime}(x)\right)^{3}}{f^{\prime}(x)}$ c. $\frac{f^{\pri...
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56. For the elementary reaction $M \rightarrow N$ the rate of disappearance of $M$ increases by a factor of 8 upon doubling the concentration of $M$. The order of the reaction with respect to $M$ is (a) 4 (b) 3 (c) 2 (d) 1
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2. A metallic rod of length $l$ is tied to a string of length $2 l$ and made to rotate with angular speed $\omega$ on a horizontal table with one end of the string fixed. If there is a vertical magnetic field $B$ in the region, the emf induced across the ends of the rod is ![](https://cdn.mathpix.com/cropped/2023_12_2...
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18. $E^{0}$ for the reaction $\mathrm{Fe}+\mathrm{Zn}^{2+}=\mathrm{Zn}+\mathrm{Fe}^{2+}$ is -0.35 V . The given cell reaction is (a) feasible (b) not feasible (c) in equilibrium (d) none of these
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15. The disc of the radius $r$ is confined to roll without slipping at $A$ and $B$. If the plates have the velocities shown, determine the angular velocity of the disc. ![](https://cdn.mathpix.com/cropped/2024_06_07_71411c50f2a5b87590d2g-211.jpg?height=234&width=413&top_left_y=635&top_left_x=758)
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9. $q_{2}$ is (a) $Q$ (b) $Q \frac{a}{b}$ (c) $-4 Q$ (d) zero
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What was the period following 3rd century BC and extending 1500 years called?
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What single religion has suffered the most deaths because of its beliefs?
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- Example 22 Two blocks $A$ and $B$ of masses $m$ and $2 m$ respectively are placed on a smooth floor. They are connected by a spring. A third block $C$ of mass $m$ moves with a velocity $v_{0}$ along the line joining $A$ and $B$ and collides elastically with $A$, as shown in figure. At a certain instant of time $t_{0}...
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(iii) How is the rate affected when the concentrations of both A and B are doubled?
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What was the name for the time period?
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26. The ratio of their $n$th term is a. $6 / 5$ b. $7 / 2$ c. $9 / 5$ d. none of these
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What are the different types of friendship bracelets and their names?
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46. Let $f(x)=2 x+1$. Then the number of real number of real values of $x$ for which the three unequal numbers $f(x), f(2 x)$, $f(4 x)$ are in G.P. is a. 1 b. 2 c. 0 d. none of these
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What are the top MBA colleges in Hyderabad?
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13. Matrix $A$ such that $A^{2}=2 A-I$, where $I$ is the identity matrix, then for $n \geq 2, A^{n}$ is equal to a. $2^{n-1} A-(n-1) I$ b. $2^{n-1} A-I$ c. $n A-(n-1) I$ d. $n A-I$
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When did a new term for those who followed Humanism emerge?
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21. The probability that amoeba population will be maximum after completion of $3 \mathrm{~s}$ is a. $1 / 2^{7}$ b. $1 / 2^{6}$ c. $1 / 2^{8}$ d. none of these
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What time does Bank of America process direct deposits?
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4. A rectangle of maximum area is inscribed in the circle $l z-3$ $-4 i=1$. If one vertex of the rectangle is $4+4 i$, then another adjacent vertex of this rectangle can be a. $2+4 i$ b. $3+5 i$ c. $3+3 i$ d. $3-3 i$
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How do I prevent myself from dozing off during lectures?
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Why is Indian media so corrupt and pro-left wing?
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4. The equivalent capacitance of the combination shown in figure (31-Q1) is (a) $C$ (b) $2 C$ (c) $C / 2$ (d) none of these. ![](https://cdn.mathpix.com/cropped/2024_04_11_0bb011b48c45581d4ca9g-180.jpg?height=195&width=437&top_left_y=1057&top_left_x=367) Figure 31-Q1
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The Cambrian period was how long ago?
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Why do Americans say "off of"?
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$\bullet 032$ A nonuniform linear charge distribution given by $\lambda=$ $b x$, where $b$ is a constant, is located along an $x$ axis from $x=0$ to $x=0.20 \mathrm{~m}$. If $b=20 \mathrm{nC} / \mathrm{m}^{2}$ and $V=0$ at infinity, what is the electric potential at (a) the origin and (b) the point $y=0.15 \mathrm{~m}$...
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What is Japanese cartooning known as?
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Who is behind present (Oct 2015) problems in Punjab? Pakistan, Congress, Hindus, Akalis or someone else?
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91. The sum $1+3+7+15+31+\cdots$ to 100 terms is a. . $2^{100}-102$ b. $2^{99}-101$ c. $2^{101}-102$ d. none of these
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Will trump win since Hillary got sick?
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Do you think fellatio is an artform?
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86. A pair of numbers is picked up randomly (without replacement) from the set $\{1,2,3,5,7,11,12,13,17,19\}$. The probability that the number 11 was picked given that the sum of the numbers was even is nearly a. 0.1 b. 0.125 . c. 0.24 d. 0.18
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108. A circle with radius $|a|$ and centre on $y$-axis slides along it and a variable lines through $(a, 0)$ cuts the circle at points $P$ and $Q$. The region in which the point of intersection of tangents to the circle at points $P$ and $Q$ lies is represented by a. $y^{2} \geq 4\left(a x-a^{2}\right)$ b. $y^{2} \leq ...
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46. A radioactive substance has a constant activity of 2000 disintegrations/minute. The material is separated into two fractions, one of which has an initial activity of 1000 disintegrations per minute while the other fraction decays with $\frac{t_1}{}=24$ hours. The total activity in both samples after 48 hours of sep...
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How can I easily allow a client to manage data and settings in the front end that a eticket plugin developer only has displayed in the mid end WP admin console?
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What are some of the best New Years resolutions for 2017?
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The royal court of Chowmahalla palace is an example what style of architecture?
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8. If the lines $x+(a-1) y+1=0$ and $2 x+a^{2} y-1=0$ are perpendicular, then find the values of $a$.
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Why did the mission of Apollo 9 take place after Apollo 8's?
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How smart is Donald Trump?
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15. The order of stability of the following carbocations : ![](https://cdn.mathpix.com/cropped/2024_05_03_616bdce11c835394482dg-153.jpg?height=242&width=719&top_left_y=493&top_left_x=240) (a) III $>$ II $>$ I (b) II $>$ III $>$ I (c) I $>$ II $>$ III (d) III $>$ I $>$ II
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33. Which one of the following is the strongest acid? (a) $\mathrm{ClO}_{3}(\mathrm{OH})$ (b) $\mathrm{ClO}_{2}(\mathrm{OH})$ (c) $\mathrm{SO}(\mathrm{OH})_{2}$ (d) $\mathrm{SO}_{2}(\mathrm{OH})_{2}$
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3. The figure shows certain wire segments joined together to form $a_{x}$ coplanar loop. The loop is placed in a perpendicular magnetic field in the direction going into the plane of the figure. The magnitude of the field increases with time. $I_{1}$ and $I_{2}$ are the currents in the segments $a b$ and $c d$. Then, ...
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Will the Milky way ever collide with Andromeda?
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39. A uniform wire of resistance $4 \Omega$ is bent into a circle of radius $r$. A specimen of the same wire is connected along the diameter of the circle. What is the equivalent resistance across the ends of this wire? (a) $\frac{4}{(4+\pi)} \Omega$ (b) $\frac{3}{(3+\pi)} \Omega$ (c) $\frac{2}{(2+\pi)} \Omega$ (d)...
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How much TAX would i need to pay in India while working for a US firm as an Intern ?
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Why we feel envy on others and how we can stop that?
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Example 2.11 Let $P Q$ and $R S$ be tangents at the extremities of the diameter $P R$ of a circle of radius $r$. If $P S$ and $R Q$ intersect at a point $X$ on the circumference of the circle, then prove that $2 r$ $=\sqrt{P Q \times R S}$
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Why do you like Virat Kohli?
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2.16. Assuming the temperature and the molar mass of air, as well as the free-fall acceleration, to be independent of the height, find the difference in heights at which the air densities at the temperature $0^{\circ} \mathrm{C}$ differ (a) e times; (b) by $\eta=1.0 \%$.
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19. Find the intervals of values of $a$ for which the line $y+x=0$ bisects two chords drawn from a point $\frac{1+\sqrt{2} a}{2}, \frac{1-\sqrt{2} a}{2}$ to the circle $2 x^{2}+2 y^{2}-(1+\sqrt{2} a) x-(1-\sqrt{2} a) y=0$.
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What is the significance of WhatsApp for Facebook? Why did Facebook acquire WhatsApp at such a hefty price of $19 billion?
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4. The antifertility drug "Novestrol" can react with : (a) $\mathrm{ZnCl}_{2} / \mathrm{HCl} ; \mathrm{FeCl}_{3} ;$ Alcoholic $\mathrm{HCN}$ (b) $\mathrm{Br}_{2} /$ water; $\mathrm{ZnCl}_{2} / \mathrm{HCl} ; \mathrm{FeCl}_{3}$ (c) Alcoholic $\mathrm{HCN} ; \mathrm{NaOCl} ; \mathrm{ZnCl}_{2} / \mathrm{HCl}$ (d) $\...
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32. A spring of natural length $l$ is compressed vertically downward against the floor so that its compressed length becomes $\frac{l}{2}$. On releasing, the spring attains its natural length. If $k$ is the stiffness constant of spring, then the work done by the spring on the floor is (a) zero (b) $\frac{1}{2} k l^{2}$...
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10. Circles are drawn on chords of the rectangular hyperbola $x y=4$ parallel to the line $y=x$ as diameters. All such circles pass through two fixed points whose coordinates are a. $(2,2)$ b. $(2,-2)$ $(-2,2)$ d. $(-2,-2)$
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1. A bead of mass $\frac{1}{2} \mathrm{~kg}$ starts from rest from $A$ to move in a vertical plane along a smooth fixed quarter ring of radius $5 \mathrm{~m}$, under the action of a constant horizontal force $F=5 \mathrm{~N}$ as shown. The speed of bead as it reaches the point $B$ is [Take $g=10 \mathrm{~ms}^{-2}$ ] (a...
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1. The electron in a hydrogen atom first jumps from the third excited state to the second excited state and subsequently to the first excited state. The ratio of the respective wavelengths $\lambda_{1} / \lambda_{2}$ of the photons emitted in this process is (a) $20 / 7$ (b) $27 / 5$ (c) $7 / 5$ (d) $9 / 7$
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Why don't we remember dreams after waking up?
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9. Assume that an electric field $\mathbf{E}=30 x^{2} \hat{\mathbf{i}}$ exists in space. Then, the potential difference $V_{A}-V_{O}$, where $V_{O}$ is the potential at the origin and $V_{A}$ the potential at $x=2 \mathrm{~m}$ is (a) $120 \mathrm{~J}$ (b) $-120 \mathrm{~J}$ (c) $-80 \mathrm{~J}$ (d) $80 \mathrm{~J}$
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How long is Greek's rail network estimated to run?
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Does apple cider vinegar have any documented health benefits?
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My co-worker, a narcissist, is created a toxic work environment. Before I leave the company, how do I determine my legal options?
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Approximately how long did it take to build New Delhi?
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Which part of a computer does the brain most resemble?
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What path did Buddha find to soothe the strictness of Sramana religions?
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1. If $y=e^{\sqrt{x}}+e^{-\sqrt{x}}$, then $\frac{d y}{d x}$ is equal to a. $\frac{e^{\sqrt{x}}-e^{-\sqrt{x}}}{2 \sqrt{x}}$ c. $\frac{1}{2 \sqrt{x}} \sqrt{y^{2}-4}$ d. $\frac{1}{2 \sqrt{x}} \sqrt{y^{2}+4}$ h. $\frac{e^{\sqrt{x}}-e^{-\sqrt{x}}}{2 x}$
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What Myers-Briggs type is INTP's enemy?
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11. $5 \mathrm{~L}$ of an alkane requires $25 \mathrm{~L}$ of oxygen for its complete combustion. If all volumes are measured at constant temperature and pressure, the alkane is : (a) Isobutane (b) Ethane (c) Butane (d) Propane
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12. A block of mass $m$ is attached to one end of a light inextensible string passing over a smooth light pulley $A$ and under another smooth light pulley $B$ as shown in Fig. The other end of a string is fixed to a ceiling. $A$ and $B$ are held by springs of force constants $k_{1}$ and $k_{2}$. Find time period of sma...
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Which ethnic groups dominate in Indonesia?
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How can a deaf person and a blind person communicate with each other?
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- Question 5: When a forward bias is applied to a p-n junction, it (a) Raises the potential barrier. (b) Reduce the majority carrier current to zero. (c) Lower the potential barrier. (d) None of the above.
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What is actually a comfort zone and how can one get out of a comfort zone?
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What kind of message is sent in a simple model?
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What form of government is responsible for the municipality of New Delhi?
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How much would a YouTuber earn in pounds per video if they uploaded 3 times per week with 100,000 views per video and 10k likes per video?
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Did Bluecrest hedge fund redeemed client money at true fair value?
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18. $1+2+3+\ldots+n<\frac{1}{8}(2 n+1)^{2}$.
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Of what class were most inhabitants of the Carolingian Empire?
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19. Figure shows a convex lens of focal length 12 cm lying in a uniform magnetic field $B$ of magnitude 1.2 T parallel to its principal axis. A particle having a charge $2.0 \times 10^{-3} \mathrm{C}$ and mass 2.0 $\times 10^{-5} \mathrm{~kg}$ is projected perpendicular to the plane of the diagram with a speed of $4.8 ...
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(i) The four isomeric bromobutanes
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2.170. Two vertical plates submerged partially in a wetting liquid form a wedge with a very small angle $\delta \varphi$. The edge of this wedge is vertical. The density of the liquid is $\rho$, its surface tension is $\alpha$, the contact angle is $\theta$. Find the height $h$, to which the liquid rises, as a function...
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What is a good solar panel installation provider near Angels Camp, California CA?
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3. $100 \mathrm{~mL}$ of $0.1 \mathrm{M} \mathrm{HCl}$ is taken in a beaker and to it $100 \mathrm{~mL}$ of $0.1 \mathrm{M}$ $\mathrm{NaOH}$ is added in steps of $2 \mathrm{~mL}$ and the $\mathrm{pH}$ is continuously measured. Which of the following graphs correctly depicts the change in $\mathrm{pH}$ ? ![](https://da...
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29. Which of the following sets of quantum numbers is permissible for an electron in an atom? (a) $n=1, l=1, m=0, s=+\frac{1}{2}$ (b) $n=3, l=1, m=-2, s=-\frac{1}{2}$ (c) $n=2, l=1, m=0, s=+\frac{1}{2}$ (d) $n=2, l=0, m=0, s=1$
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87. In the following reactions identify the compounds $A, B, C$ and $D$. ![](https://cdn.mathpix.com/cropped/2024_05_03_616bdce11c835394482dg-390.jpg?height=53&width=590&top_left_y=898&top_left_x=1543) ![](https://dataprep-doubtsolver-pureessence.s3.amazonaws.com/09b38cd6-1daa-46ca-b949-ed647f4de12f)
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9. If $\int x^{2} e^{-2 x} d x=e^{-2 x}\left(a x^{2}+b x+c\right)+d$, then a. $a=1$ b. $b=2$ c. $c=\frac{1}{2}$ d. $d \in R$
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In what year do most Scholars agree the Italian Unification ended?
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What are some great side dishes for an egg salad sandwich?
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What is a Tumblr URL?
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Will digital marketing completely replace Offline Marketing in future?
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Who will be the next Lord/Lady of Highgarden?
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(ii) Calculate the radius of Bohr's fifth orbit for hydrogen atom.
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