Day 329: CDS Maths

1. A.
   square root of an integer
2. B.
   cube root of an integer
3. C.
   square of an integer
4. D.
   HCF of two integers

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1. A.
   $1 + \frac{2}{\sqrt{3}}$
2. B.
   $1 - \frac{2}{\sqrt{3}}$
3. C.
   $2 + \frac{2}{\sqrt{3}}$
4. D.
   2

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1. A.
   0
2. B.
   1
3. C.
   2
4. D.
   4

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

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1. A.
   $15.3$ cm$^2$
2. B.
   $25.5$ cm$^2$
3. C.
   $28.4$ cm$^2$
4. D.
   $30.5$ cm$^2$

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