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    Question

    The value of 0∫π cos3x dx

    is –
    B 1 Correct Answer Incorrect Answer
    C 2 Correct Answer Incorrect Answer
    D 3 Correct Answer Incorrect Answer

    Solution

    => f(x) cos3 x => f(π-x) = cos3 (π-x) => - cos3 x => - f(x) Therefore, I = 0∫π cos3x dx = 0

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