\(\sum_{k=0}^{20}\left({ }^{20} C_k\right)^2\) is equal to. [JEE Main 2021, 27 Aug (Shift 1)]
Q1
\(\sum_{k=0}^{20}\left({ }^{20} C_k\right)^2\) is equal to.
[JEE Main 2021, 27 Aug (Shift 1)]
🔒
Answer & explanation — PYQ Pass
Unlock · ₹149
Options are free to see. Unlock the correct answer and full explanation with Pass.
Practice more JEE Maths PYQs
See every question on Binomial Theorem, or browse the full JEE question bank.
See all questions on Binomial Theorem →