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Evaluate: int(e^(3x))/(e^(3x)+1)dx...

Evaluate: `int(e^(3x))/(e^(3x)+1)dx`

Text Solution

Verified by Experts

Let, `e^{3 x}+1=t`

So, `3 cdot e^{3 pi} cdot d x=d t`

On substituting values, we get

`int frac{d t}{3 t}`

`Rightarrow frac{1}{3} ln t+C`

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