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Let y=tan1(lnx)y = \tan ^ { - 1 } ( \ln x )

Question 4

Multiple Choice

Let y=tan1(lnx) y = \tan ^ { - 1 } ( \ln x ) Then dy is


A) 11+(lnx) 2dx\frac { 1 } { 1 + ( \ln x ) ^ { 2 } } d x
B) x1+(lnx) 2dx- \frac { x } { 1 + ( \ln x ) ^ { 2 } } d x
C) x1+(lnx) 2dx\frac { x } { 1 + ( \ln x ) ^ { 2 } } d x
D) 1x[1+(lnx) 2]dx- \frac { 1 } { x \left[ 1 + ( \ln x ) ^ { 2 } \right] } d x
E) 1x[1+(lnx) 2]dx\frac { 1 } { x \left[ 1 + ( \ln x ) ^ { 2 } \right] } d x

Correct Answer:

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