JEE Main 2019 — Math solution | Fundamenthol

JEE Main2019Math

Q.

If $\int \frac{x + 1}{2 x - 1} d x = f (x) 2 x - 1 + C$ where C is a constant of integration, then f(x) is equal to :

A
$\frac{1}{3} (x + 1)$
B
$\frac{1}{3} (x + 4)$
C
$\frac{2}{3} (x + 4)$
D
$\frac{2}{3} (x - 4)$

Solution

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