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int (e^(3x)+e^x)/(e^(4x)-e^(2x)+1) dx...

`int (e^(3x)+e^x)/(e^(4x)-e^(2x)+1) dx`

A

sin x

B

`cos^(-1) x`

C

`tan^(-1) x`

D

tan x

Text Solution

Verified by Experts

The correct Answer is:
C
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MCGROW HILL PUBLICATION-INDEFINITE INTEGRATION-EXERCISE (LEVEL 1 (SINGLE CORRECT ANSWER TYPE QUESTION ))
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