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Find the derivatives of the following f...

Find the derivatives of the following functions :
(a) `F (x) = int_(1)^(x) " In t dt " (x gt 0)`
(b) `F (x) = int_(2//x)^(x^(2)) (dt)/(t)`

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The correct Answer is:
(a) In x
(b) `(3)/(x)`
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