Day 335: NDA Maths

1. A.
   the height of the rectangle
2. B.
   the area of the rectangle
3. C.
   the width of the rectangle
4. D.
   the perimeter of the rectangle

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1. A.
   $\frac{5}{13}$ but cannot be $-\frac{5}{13}$
2. B.
   $-\frac{5}{13}$ but cannot be $\frac{5}{13}$
3. C.
   $\frac{5}{13}$ or $-\frac{5}{13}$
4. D.
   None of the above

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1. A.
   1 only
2. B.
   2 only
3. C.
   1 and 2 only
4. D.
   1, 2 and 3

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1. A.
   $4\sqrt{3}$ cm
2. B.
   $2\sqrt{3}$ cm
3. C.
   6 cm
4. D.
   3 cm

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1. A.
   $m$
2. B.
   $m^{2}$
3. C.
   $2m$
4. D.
   $2m^{2}$

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1. A.
   $\tan^{-1}m^{2}$
2. B.
   $\cot^{-1}(1+m^{2})$
3. C.
   $\sin^{-1}\left(\dfrac{1}{\sqrt{1+m^{4}}}\right)$
4. D.
   $\sec^{-1}\sqrt{1+m^{4}}$

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1. A.
   $y = mx + m$
2. B.
   $y = -mx + 2m$
3. C.
   $y = m^{2}x + 2m$
4. D.
   $y = m^{2}x + m$

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