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let T le0 be a fixed real number suppose...

let `T le0` be a fixed real number suppose f is continuous function such that for all `x in R f(x+T)=F(x)` if` I=int_0^T f(x)dx`then the value of` int_3^(3+3T)f(2x)dx` is

A

3/2I

B

2I

C

3I

D

6I

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The correct Answer is:
C
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