JEE Main 24 Feb 2021 Shift 2 Solved Paper

Section: Mathematics

Question : 66 of 90

Marks: +1, -0

If n≥2 is a positive integer, then the sum of the series ‌n+1C2+2(‌2C2+‌3C2+‌4C2+...+‌nC2) is

[24 Feb 2021 Shift 2]

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