First slide

Integration

Question

Integrate the following functions with respect to x
$\int (4 \sin x - \frac{2}{x}) d x$

Easy

A

$4 \sin x - 2 \ln x + c$
B

$4 \cos x - c$
C

$4 \cos x - 2 \ln x + c$
D

$4 \cos x - 2 x$

Solution

$\int (4 \sin x - \frac{2}{x}) d x = 4 \int \sin x d x - 2 \int \frac{d x}{x} = - 4 \cos x - 2 \ln x + c$

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