Multiple Choice Questions on If the coefficients of am and an in the expansion of 1 a m n are alpha and beta then which one of th........... for NDA Exam Preparation

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Multiple Choice Questions

If the coefficients of am and an in the expansion of 1 a m n are alpha and beta then which one of th...........

Mathematics (NDA) Permutation & Combination
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    If the coefficients of am and an in the expansion of (1 + a)m + n are α and β,then which one of the following is correct?

    α = 2β

    Incorrect Answer

    α =β

    Correct Answer

    2α =β

    Incorrect Answer

    α =(m+ n)β

    Incorrect Answer
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    Explanation:

    α =m+nCn, β = m+nCm

    => α = β
    Hence option 2 is correct

    By: Munesh Kumari
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