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11th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-11

  • question_answer
    The sum of the coefficients of the binomial expansion of \[{{\left( \frac{1}{x}+2x \right)}^{n}}\] is equal to 6561. The constant term in the expansion is _________.

    A)  1120   

    B)  1310

    C)  1290                           

    D)  1080

    E)  None of these

    Correct Answer: A

    Solution :

     Not Available   


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