Day 183: CBSE Class 12 Maths

1. A.
   $\dfrac{\sin^{-1} (a^x)}{\log_e a} + C$
2. B.
   $\log_e (1 - a^{2x}) + C$
3. C.
   $\dfrac{\cos^{-1} (a^x)}{\log_e a} + C$
4. D.
   $\dfrac{\sin^{-1} (a^x)}{a^x} + C$

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1. A.
   $y = \cot x$
2. B.
   $y = \cot^{-1} x$
3. C.
   $y = \tan x$
4. D.
   $y = \tan^{-1} x$

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1. A.
   diagonal matrix
2. B.
   symmetric matrix
3. C.
   skew symmetric matrix
4. D.
   scalar matrix

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