1.

""^(2n)C_(n+1)+2. ""^(2n)C_(n) + ""^(2n) C_(n-1) =

Answer»

`""^((2n+2))C_(N+1)`
`""^((n+1))C_(n+1)`
`""^(n)C_(n)`
`""^((2n+1))C_(n)`

ANSWER :A


Discussion

No Comment Found

Related InterviewSolutions