Home
Class 11
MATHS
13. If P(n-1, 2): P(n, 4) = 1 : 9, find ...

13. If P(n-1, 2): P(n, 4) = 1 : 9, find n.

Promotional Banner

Similar Questions

Explore conceptually related problems

If P(n-1,\ 3): P(n ,4)=1:9 find n

If P(n-1,3):P(n,4)=1:9 find n

If .^(n-1) P_(3) : P_(4) = 1 , 10 find n.

If ""^(n-1)P_(3): ""^(n)P_(4)=1:9 find n.

If P(n ,5): P(n ,3)=2:1 find n

If P(n,5):P(n,3)=2:1 find n

If P(n,4)=20P(n,2), find n

(i) If "^((n+1))P_(5) : "^(n)P_(6)=2:7 , find n (ii) If "^(n+1)P_5 : "^(n)P_5 = 3:2 ,find n.

If P(n ,4)=20 x P(n ,2),find n.

Given that P(n, r)=n(n-1)(n-2) ….to r factors If P(n, 4) = 20 P(n, 2), find n