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The largest interval lying in (-pi/2, pi...

The largest interval lying in `(-pi/2, pi/2)` for which the function `f(x) =4^(-x^(2)) + cos^(-1)(x/2-1) + log(cos x)` is defined, is

A

`[-pi/4, pi/2]`

B

`[0,pi/2]`

C

`[0,pi]`

D

`(-pi/2, pi/2)`

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The correct Answer is:
B
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AAKASH SERIES-FUNCTIONS -EXERCISE -II
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  2. The domain of sin^(-1)(x/2-1)+ logsqrt(x-[x]) is:

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  4. The domain of log(tan^(-1)x) is:

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