Permutations and Combinations Part 1

Section: Mathematics

Question : 96 of 100

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]

Go to Question:

Prev Question

Next Question