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int (sec x dx)/(a cosx + b sinx) =...

`int (sec x dx)/(a cosx + b sinx) =`

A

1/a log (a cot x + b)

B

a log (a+ b tanx)

C

b log (a+ b tanx)

D

1/b log (a+b tanx)

Text Solution

Verified by Experts

The correct Answer is:
D
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