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For 1 le r le n, the value of ""^(n)C(r...

For `1 le r le n`, the value of `""^(n)C_(r )+""^(n-1)C_(r ) +""^(n-2)C_(r )+…+""^(r )C_(r )` is

A

`""^(n)C_(r+1)`

B

`""^(n+1)C_(r )`

C

`""^(n+1)C_(r+1)`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
c
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ML KHANNA-BINOMIAL THEOREM AND MATHEMATICAL INDUCTION -Self Assessment Test
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