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Evaluate the Integral To Evaluate the Integral cot1xdx\int \cot ^ { - 1 } x d x

Question 10

Multiple Choice

Evaluate the integral.
-Use the formula f1(x) dx=xf1(x) x(ddxf1(x) ) dx\int \mathrm { f } ^ { - 1 } ( \mathrm { x } ) \mathrm { dx } = \mathrm { xf } ^ { - 1 } ( \mathrm { x } ) - \int \mathrm { x } \left( \frac { \mathrm { d } } { \mathrm { dx } } \mathrm { f } ^ { - 1 } ( \mathrm { x } ) \right) \mathrm { dx } to evaluate the integral. cot1xdx\int \cot ^ { - 1 } x d x


A) xcot1x+lnx2+1+Cx \cot ^ { - 1 } x + \ln \sqrt { x ^ { 2 } + 1 } + C
B) xcot1x+lnx+Cx \cot ^ { - 1 } x + \ln x + C
C) xcot1x+x+Cx \cot ^ { - 1 } x + x + C
D) xcot1xlnx2+1+Cx \cot ^ { - 1 } x - \ln \sqrt { x ^ { 2 } + 1 } + C

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