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JEE MATHEMATICS MCQ: DEFINITE INTEGRATION

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Analyzing +4 | -1
For any integer nn, the integral
∫0π  ecos⁡2x  cos⁡3(2n+1)  x    dx  \int \nolimits_0^\pi \,\,{e^{{{\cos }^2}x}}\,\,{\cos ^3}\left( {2n + 1} \right)\,\,x\,\,\;dx\; has the value
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Correct option: C
0\mathrm{0}
Option C (0) is correct because the integrand is an odd function with respect to x = π/2, making the integral over the interval [0, π] equal to zero.

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