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Let f(x) = |{:(2cos ^(2) x,,sin 2x,,-sin...

Let `f(x) = |{:(2cos ^(2) x,,sin 2x,,-sin x),(sin 2x,,2 sin^(2)x,,cos x),(sin x,,-cos x,,0):}|`.then the value of `int_(0)^(pi//2) [ f(x) +f'(x) ] dx " is "`

A

`(pi)/(2)`

B

`pi`

C

`(2pi)/(2)`

D

`2pi`

Text Solution

Verified by Experts

The correct Answer is:
B
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