`int e^ 3x /(e^ 3x + 1)`dx = ______ - Vidyadip

MCQ

`int $e^{3x}/(e^{3x} + 1)`dx =$ ______

A
`$1/3log|e^{3x} - 1| + c`$
✓
$`1/3log|e^{3x} + 1| + c`$
C
$3 \log \left|e^{3 x}+1\right|+c$
D
$3 \log \left|e^{3 x}-1\right|+c$

✓

Answer

Correct option: B.

$`1/3log|e^{3x} + 1| + c`$

B

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