Home
Class 12
MATHS
If nC(r-1)=36, nCr=84 and nC(r+1)=126, t...

If `nC_(r-1)=36, nC_r=84 and nC_(r+1)=126,` then (a) `n=8,r=4` (b) `n=9,r=3` (c) `n=7,r=5` (d) non of these

Promotional Banner

Similar Questions

Explore conceptually related problems

If .^(n)C_(r-1)=36, .^(n)C_(r)=84 and .^(n)C_(r+1)=126 , find n and r.

If .^(n)C_(r-1) = 36, .^(n)C_(r) = 84 and .^(n)C_(r+1) = 126

If .^(n)C_(r-1)=36,.^(n)C_(r)=84 and .^(n)C_(r+1)=126 , find find r.

If nC_(r)=nC_(r-1) and nP_(r)=nP_(r+1), then the value of n is

If ^(n)C_(r-1)=330,^nC_(r)=462,^(n)C_(r+1)=462rArr r=

If ^(n)C_(r)=84,quad nC_(r-1)=36, and ^(n)C_(r+1)=126 then find the value of n.