JEE Main 2019 — Math solution | Fundamenthol

JEE Main2019Math

Q.

The integral $\int cos (lo g_{e} x) d x$ is equal to (where C is a constant of integration)

A
$x [cos (lo g_{e} x) - sin (lo g_{e} x)] + C$
B
$\frac{x}{2} [cos (lo g_{e} x) + sin (lo g_{e} x)] + C$
C
$\frac{x}{2} [sin (lo g_{e} x) - cos (lo g_{e} x)] + C$
D
$x [cos (lo g_{e} x) + sin (lo g_{e} x)] + C$

Solution

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