AIEEE 2003 Math Solved Paper

Section: Mathematics

Question : 12 of 66

Marks: +1, -0

If ‌nCr denotes the number of combination of n things taken r at a time, then the expression
‌nCr+1+‌nCr−1+2×‌nCr‌ equals ‌

[AIEEE 2003]

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