Day 314: MHT-CET Maths

1. A.
   $\frac{(n - 1)!}{x^{n}}$
2. B.
   $\frac{n!}{x^{n}}$
3. C.
   $\frac{(n - 2)!}{x^{n}}$
4. D.
   $\ ( - 1)^{n - 1}\frac{(n - 1)!}{x^{n}}$

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1. A.
   $\frac{s^{2}}{\Delta}$, where $\Delta$ is the area of the triangle ABC .
2. B.
   $\frac{s}{\Delta}$, where $\Delta$ is the area of the triangle ABC .
3. C.
   $\frac{\Delta}{s}$, where $\Delta$ is the area of the triangle ABC .
4. D.
   $\Delta$, where $\Delta$ is the area of the triangle ABC .

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1. A.
   $2^{2n+1}\cos\left(\dfrac{2n\pi}{3}\right)$
2. B.
   $2^{2n}\cos\left(\dfrac{n\pi}{3}\right)$
3. C.
   $2^{2n+1}\cos\left(\dfrac{n\pi}{3}\right)$
4. D.
   $2^n\cos\left(\dfrac{2n\pi}{3}\right)$

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1. A.
   $\log\frac{3}{4}$
2. B.
   $\frac{1}{3}\log\frac{4}{3}$
3. C.
   $\log\frac{4}{3}$
4. D.
   $\frac{1}{4}\log\frac{3}{4}$

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1. A.
   $216$
2. B.
   $240$
3. C.
   $96$
4. D.
   $120$

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