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$\int_{- 2}^{2} | xcos πx | dx$ is equal to

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Correct option is A

Since ,I=∫−22 |xcos⁡πx|dx=2∫02 |xcos⁡πx|dx=2∫012 |xcos⁡πx|dx+∫1232 |xcos⁡πx|dx+∫322 |xcos⁡πx|dx=8π

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∫−22 |xcos⁡πx|dx is equal to

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$\int_{- 2}^{2} | xcos πx | dx$ is equal to