Suppose that F (x) is an antiderivative ...

Suppose that F (x) is an antiderivative of `f (x)=sinx/x,x>0` ,
then `int_1^3 (sin2x)/x dx` can be expressed as

A

(a) `F(6)-F(2)`

B

(b) `1/2[F(6)-f(2)]`

C

(c) `1/p[F(3)-F(1)]`

D

(d) `2[F(6)-F(2)]`

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The correct Answer is:

A

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