Mathematics · 2023
JEE Main · 24 January 2023, Shift 1 · Q69
The value of Σ_r=0^22^22 C_r^23 C_r is
The value of $\displaystyle \sum_{r=0}^{22}{ }^{22} C_r{ }^{23} C_r$ is
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle { }^{45} C_{23}$
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JEE Main 2023 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.