1
MHT CET 2020 16th October Morning Shift
MCQ (Single Correct Answer)
+2
-0

The integrating factor of the differential equation $$\left(1+x^2\right) d t=\left(\tan ^{-1} x-t\right) d x$$ is

A
$$e^{\tan ^{-1} x}$$
B
$$-e^{\frac{\left(\tan ^{-1} x\right)^2}{2}}$$
C
$$-e^{\tan ^{-1} x}$$
D
$$e^{\frac{\left(\tan ^{-1} x\right)^2}{2}}$$
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