If {{}^{20}{C_r}} is the co-efficient of x r in the expansion of (1 + x) 20 , then the value of \sum\limits_{r = 0}^{20} {{r^2}.{}^{20}{C_r}} is equal to :

Jee Main

Binomial Theorem

JEE Main 2021 (Online) 26th August Morning Shift

MCQ+4 / -12021

If \({{}^{20}{C_r}}\) is the co-efficient of x^r in the expansion of (1 + x)²⁰, then the value of \(\sum\limits_{r = 0}^{20} {{r^2}.{}^{20}{C_r}}\) is equal to :

Continue this paper

Previous questionArea Under The Curves2021INTEGER Next questionCircle2021MCQ

Similar Binomial Theorem PYQs

Jee Main questionBinomial Theorem2026MCQ Jee Main questionBinomial Theorem2026MCQ Jee Main questionBinomial Theorem2026INTEGER Jee Main questionBinomial Theorem2026INTEGER Jee Main questionBinomial Theorem2026MCQ Jee Main questionBinomial Theorem2026MCQ

Binomial Theorem

Continue this paper

Similar Binomial Theorem PYQs

More practice from this question