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Find the Derivative Of f(x)=cos1(lnx).f ( x ) = \cos ^ { - 1 } ( \ln x ) .

Question 17

Multiple Choice

Find the derivative of f(x) =cos1(lnx) .f ( x ) = \cos ^ { - 1 } ( \ln x ) .


A) 1x1ln2x\frac { 1 } { x \sqrt { 1 - \ln ^ { 2 } x } }
B) 11ln2x\frac { 1 } { \sqrt { 1 - \ln ^ { 2 } x } }
C) 1x1ln2x\frac { - 1 } { x \sqrt { 1 - \ln ^ { 2 } x } }
D) 11ln2x\frac { - 1 } { \sqrt { 1 - \ln ^ { 2 } x } }

Correct Answer:

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