JEE Main & Advanced Mathematics Definite Integration Question Bank Properties of Definite Integration

  • question_answer
    \[\int_{0}^{\pi }{|\cos x|\,dx=}\]           [MP PET 1998; Pb. CET 2001]

    A)                 \[\pi \] 

    B)                 0

    C)                 2             

    D)                 1

    Correct Answer: C

    Solution :

                    \[\int_{0}^{\pi }{\,\,|\cos x|}\,dx=2\int_{0}^{\pi /2}{|\cos x|dx=2[\sin x]_{0}^{\pi /2}=2}\].


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