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Evaluate the following Integrals. int...

Evaluate the following Integrals.
`int (dx)/(4sin^(2)x + 4 sin x cos x + 5 cos^(2) x)`

A

`(-1)/( 22) tan ^(-1) ((2 tan x +1 )/( 2)) + C`

B

`(1)/(22) tan ^(-1) (( 2 tan x +1 )/( 2 )) + C`

C

`(1)/(22) tan ^(-1) (( tan x + 2)/( 2 )) + C`

D

None of these

Text Solution

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The correct Answer is:
B
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