Multiple Choice Questions on The middle term in the expansion of is ........ for 11th Standard Preparation

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Multiple Choice Questions

The middle term in the expansion of is ........

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    The middle term in the expansion of \left ( x^{2} +\frac{1}{x^{2}}+2\right )^{n}is

    \frac{n!}{[(n/2)!]}^{^{^{}}}

    Incorrect Answer

    \frac{2n!}{[(n/2)!]^{2}}

    Incorrect Answer

    \frac{1.3.5.....(2n+1)}{n!}2^{n}

    Incorrect Answer

    \frac{(2n)!}{(n!)^{2}}

    Correct Answer
    Explanation:

    \frac{(2n)!}{(n!)^{2}}

    By: Swaminath Yadav
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