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12th Class Mathematics Sample Paper Maths Olympiad Model Paper-8

  • question_answer
    \[\int_{0}^{\pi /2}{{{e}^{x}}\sin x\,\,dx=}\]

    A)  \[\frac{1}{2}\,\,({{e}^{\pi /2}}-1)\]                  

    B)  \[\frac{1}{2}\,\,({{e}^{\pi /2}}+1)\]

    C)  \[\frac{1}{2}\,\,(1-{{e}^{\pi /2}})\]                  

    D)  \[2\,\,({{e}^{\pi /2}}+1)\]

    E)  None of these

    Correct Answer: B

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