Let f is a continuous function for all x∈R and f(x)=f(x+2T),T>0. If – InterviewSolution

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1.	Let f is a continuous function for all x∈R and f(x)=f(x+2T),T>0. If I=2T∫0f(x)dx, then 4+40T∫4f(x4)dx is equal to
Answer» Let $f$ is a continuous function for all $x \in R$ and $f (x) = f (x + 2 T), T > 0.$ If $I = 2 T \int 0 f (x) d x,$ then $4 + 40 T \int 4 f (\frac{x}{4}) d x$ is equal to

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