Home
Class 12
MATHS
If .^(n-1)Cr:^nCr:^(n+1)Cr=6:9:13 find n...

If `.^(n-1)C_r:^nC_r:^(n+1)C_r=6:9:13` find n and r.

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

If ""^(n-1)C_(r ): ""^(n)C_(r ): ""^(n+1)C_(r )=6:9:13 , find 'n' and 'r' .

If .^(n+1)C_(r+1): .^(n)C_(r)=11:6 and .^(n)C_(r): .^(n-1)C_(r-1)=6:3 , find n and r.

If ^(n+1)C_(r+1): ^nC_r: ^(n-1)C_(r-1)=11:6:2 find the values of n and r.

Find the value of r if "^(n-1)P_r : ^nP_r = 2:3 and "^nC_r :^(n+1)C_r = 9:13 , then find n and r

If .^(n+1)C_(r+1):^(n)C_(r):^(n-1)C_(r-1)=11:6:3 , find the values of n and r.

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

nC_(r):^(n)C_(r+1)=1:2 and ^(n)C_(r+1):^(n)C_(r+2)=2:3, findn and r

If .^(n)P_(r)=.^(n)P_(r+1) and .^(n)C_(r)=.^(n)C_(r-1) , find n and r.

If .^(n)C_(r-1): .^(n)C_(r): .^(n)C_(r+1)=3:4:5 , find the values of n and r.

" If "^(n+1)C_(r+1):^(n)C_(r):^(n-1)C_(r-1)=11:6:3," then "nr=