Home
Class 11
MATHS
(i) If (n!)/(2.(n-2)!): (n!)/(4!.(n-4)!)...

(i) If `(n!)/(2.(n-2)!): (n!)/(4!.(n-4)!) = 2:1`, find the valye of n.
(ii) If `((2n)!)/(3!(2n-3)!): (n!)/(2!(n-2)!) = 44:3`, then find the value of n.

Text Solution

Verified by Experts

The correct Answer is:
(i) `n = 5` (ii) 6
Promotional Banner

Topper's Solved these Questions

  • PERMUTATION AND COMBINATION

    NAGEEN PRAKASHAN|Exercise Exercise B|10 Videos
  • PERMUTATION AND COMBINATION

    NAGEEN PRAKASHAN|Exercise Exercise C|24 Videos
  • PERMUTATION AND COMBINATION

    NAGEEN PRAKASHAN|Exercise Miscellaneous Exercise|11 Videos
  • MATHEMATICAL REASONING

    NAGEEN PRAKASHAN|Exercise Misellaneous exercise|7 Videos
  • PRINCIPLE OF MATHEMATICAL INDUCTION

    NAGEEN PRAKASHAN|Exercise Exercise 4|29 Videos

Similar Questions

Explore conceptually related problems

If ((2n!))/((3!)xx(2n-3)!): (n!)/((2!)xx(n-2)!)=44:3 , find the value of n.

If (n!)/((2!)xx(n-2)!): (n!)/((4!)xx(n-4)!)=2:1 , find the value of n.

If ((2n)!)/(3!(2n-3)!) and (n!)/(2!(n-2)!) are in the ratio 44:3 find n.

If (n!)/(2!(n-2!)) and (n!)/(4!(n-4!)) are in the ratio 2:1, find the value of n.

If ^(2n+1)P_(n-1):^(2n-1)P_(n)=3:5, then find the value of n.

Find the value of ( 2^(n+4) - 2 ( 2^n )) / ( 2(2^(n+3) )

If .^((n^(2)-n))C_(2)=.^((n^(2)-n))C_(4) then find the value of n.

If S_(3n)=2S_n then find the value of S_(4n)/S_(2n)

Find the value of (3^(n)xx3^(2n+1))/(9^(n)xx3^(n-1)) .