The value of the integral -2-2x cosxdx is

nbsp;xcosx is odd function. So nbsp; ∫_ π/2^π/2x cosx dx=0 ...

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Change of Variables

The value of ...

Question

The value of the integral $\int_{- π / 2}^{π / 2} (x c o s x) d x$ is

0

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π - 2

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π

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π + 2

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