Let T > 0 be a fixed real number. Suppose f is a continuous function such that for all x…
Mathematics · JEE Main · NTA Exams — Integral Calculus
Let T > 0 be a fixed real number. Suppose f is a continuous function such that for all x ∈ R, \(f(x+T)=f(x)\). If \(I=\int_{U}^{T} f(x) d x\), then the value of \(\int_{3}^{3+3 T} f(2 x) d x\) is
- \(\frac{3}{2} f\)
- \(20\)
- \(3 .\)
- \(6 .\)
Answer
(D) 6 .
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