The value \(\sum _{r=0}^{22}{}^{22}C_{r}{}^{23}C_{r}\) is: [JEE Main 2023, 24 Jan (Shift 1)]
Q1
The value \(\sum _{r=0}^{22}{}^{22}C_{r}{}^{23}C_{r}\) is:
[JEE Main 2023, 24 Jan (Shift 1)]
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