MCQMediumJEE Main 2023 · 25 January, Shift 1General Term

Mathematics Question from JEE Main 2023 · 25 January, Shift 1

If ara_r is the coefficient of x10rx^{10-r} in the binomial expansion of (1+x)10(1 + x)^{10}, then r=110r3(arar1)2\sum_{r=1}^{10} r^3 \left( \frac{a_r}{a_{r-1}} \right)^2 is equal to:

  • A

    48954895

  • B

    12101210

  • C

    54455445

  • D

    30253025

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