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Let f(x)=(e^(x)+1)/(e^(x)-1) and int(0)^...

Let `f(x)=(e^(x)+1)/(e^(x)-1) and int_(0)^(1) x^(3) .(e^(x)+1)/(e^(x)-1) dx= alpha`
`"Then" , int_(-1)^(1) t^(3) f(t) dt` is equal to

A

(a) `0`

B

(b) `alpha`

C

(c) `2 alpha`

D

(d) None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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