Day 263: NDA Maths

1. A.
   $\dfrac{\sqrt{3}}{2}-\dfrac{\pi}{12}$
2. B.
   $\dfrac{\sqrt{3}}{2}+\dfrac{\pi}{12}$
3. C.
   $\dfrac{\sqrt{3}}{2}+\dfrac{\pi}{9}$
4. D.
   $\dfrac{\sqrt{3}}{2}+\dfrac{\pi}{6}$

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1. A.
   $-\left(1 + \frac{\pi}{2}\right)$
2. B.
   $-\left(\frac{1}{2} + \frac{\pi}{2}\right)$
3. C.
   $-\left(1 + \frac{\pi}{4}\right)$
4. D.
   $-2\left(\frac{1}{2} - \frac{\pi}{4}\right)$

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1. A.
   $(1101)_2$
2. B.
   $(1001)_2$
3. C.
   $(1011)_2$
4. D.
   $(1111)_2$

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1. A.
   $-1$
2. B.
   $1$
3. C.
   $10$
4. D.
   Coefficient of $x^{10}$ does not exist

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1. A.
   $\left(\frac{3}{4},\frac{1}{4}\right)$
2. B.
   $\left(\frac{3}{2},\frac{1}{2}\right)$
3. C.
   $\left(\frac{3}{4},-\frac{1}{4}\right)$
4. D.
   $\left(\frac{3}{2},-\frac{1}{2}\right)$

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1. A.
   $6ab$
2. B.
   $3ab$
3. C.
   $a^2+b^2$
4. D.
   $1$

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