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Let f and g be continuous fuctions on [0...

Let f and g be continuous fuctions on [0, a] such that `f(x)=f(a-x)" and "g(x)+g(a-x)=4 " then " int_(0)^(a)f(x)g(x)dx` is equal to

A

`4underset0oversetaintf(x)dx`

B

`2underset0oversetaintf(x)dx`

C

`-3underset0oversetaintf(x)dx`

D

`underset0oversetaintf(x)dx`

Text Solution

Verified by Experts

The correct Answer is:
B
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