Home
Class 11
MATHS
If ^(5)Pr = 2 ^(6)P(r-1) then the value ...

If `^(5)P_r = 2 ^(6)P_(r-1)` then the value of r is

A

a)10

B

b)3

C

c) 0

D

c) none

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

If "^(5)P_r = 2^(6)P_(r - 1) then find thevalue of r.

If ^(n)P_r = 840 and ^(n)C_r = 35 then find the value of r.

If "^15P_r : "^16P_r = 3:4 then r =

IF planes bar r . ( p hati - hatj + 2 hatk )+3=0 and bar r .( 2 hati - p hatj - hatk )-5=0 include angle (pi)/(3) then the value of p is

If a,b,c,p,q,r are six complex numbers, such that frac{p}{a}+frac{q}{b}+frac{r}{c}=1+i and frac{a}{p}+frac{b}{q}+frac{c}{r} = 0 , where i=sqrt(-1) , then the value of frac{p^2}{a^2}+frac{q^2}{b^2}+frac{r^2}{c^2} is

If p to (qvvr) is false, then the truth values of p,q, and r are, respectively.

If "^56P_(r+6) : "^54P_(r+3) = 30800:1 , then r is equal to

If "^56P_(r+6) : "^54P_(r+3) = 30800 : 1, the r =