For any integer

MATHEMATICS · Single correct · CBSE · Mathematics · Integrals · Integrals

Problem

For any integer nn, the value of ∫0πecos⁡2xcos⁡3((2n+1)x) dx\int_0^\pi e^{\cos^2x}\cos^3\big((2n+1)x\big)\,dx is equal to (1) 00 (2) 11 (3) −1-1 (4) None of these

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