Day 338: NDA Maths

1. A.
   $\frac{3}{2}$
2. B.
   $\frac{3}{4}$
3. C.
   $\frac{3}{8}$
4. D.
   $\frac{3}{16}$

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1. A.
   $\frac{\vec{a}+\vec{b}+\vec{c}}{3}$
2. B.
   $\frac{2\vec{a}-\vec{b}-\vec{c}}{3}$
3. C.
   $\frac{\vec{b}+\vec{c}-2\vec{a}}{3}$
4. D.
   $\frac{\vec{a}-2\vec{b}-2\vec{c}}{3}$

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1. A.
   4·71
2. B.
   5·23
3. C.
   6·03
4. D.
   8·01

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1. A.
   $\cos(\cos x)$
2. B.
   $\sin(-\sin x)$
3. C.
   $(\sin x)\cos(\cos x)$
4. D.
   $(-\sin x)\cos(\cos x)$

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1. A.
   1 only
2. B.
   2 only
3. C.
   Both 1 and 2
4. D.
   Neither 1 nor 2

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