Day 328: CDS Maths

1. A.
   2
2. B.
   3
3. C.
   4
4. D.
   5

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1. A.
   $4\pi$
2. B.
   $6\pi$
3. C.
   $12\pi$
4. D.
   $16\pi$

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1. A.
   $x^3 - (a+b+c)x^2 + (bc+ca+ab)x - abc$
2. B.
   $x^3 + (a+b+c)x^2 + (bc+ca+ab)x + abc$
3. C.
   $x^3 - (bc+ca+ab)x^2 + (a+b+c)x - abc$
4. D.
   $x^3 + (bc+ca+ab)x^2 - (a+b+c)x - abc$

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1. A.
   $9(\pi - \sqrt{3})$ sq units
2. B.
   $3(4\pi - 3\sqrt{3})$ sq units
3. C.
   $3(3\pi - 4\sqrt{3})$ sq units
4. D.
   $9(\sqrt{3} - \pi)$ sq units

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1. A.
   $100\pi$ cm$^3$
2. B.
   $50\pi$ cm$^3$
3. C.
   $65\pi$ cm$^3$
4. D.
   $169\pi$ cm$^3$

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