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Iff(x) = int1^(x^(2)) tan^(-1) sqrtt dt,...

If`f(x) = int_1^(x^(2)) tan^(-1) sqrtt dt, t gt 0`, then `f^(')(1)=`

A

1

B

`pi`

C

`pi/2`

D

`pi/4`

Text Solution

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The correct Answer is:
C
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