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The value I= int(-1)^(1) ( cos^(-1) x + ...

The value `I= int_(-1)^(1) ( cos^(-1) x + (x^(7) -3x^(5) + 7x^(3) -x) /( cos ^(2) x ) ) dx` is

A

`pi//2`

B

`0`

C

`2pi`

D

`pi`

Text Solution

Verified by Experts

The correct Answer is:
D
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