Home
Class 11
MATHS
When n = 5 and r = 2, find the values of...

When n = 5 and r = 2, find the values of : `(n!)/(r!(n-r)!)`.

Promotional Banner

Topper's Solved these Questions

  • PERMUTATIONS AND COMBINATIONS

    MODERN PUBLICATION|Exercise EXERCISE|319 Videos
  • MATHEMATICAL REASONING

    MODERN PUBLICATION|Exercise EXERCISE|169 Videos
  • PROBABILITY

    MODERN PUBLICATION|Exercise EXERCISE|348 Videos

Similar Questions

Explore conceptually related problems

If n=5 and r= 3, then the value of ""^nC_r is :

If n=7 and r= 5, then the value of ""^nC_r is :

If n=8 and r= 3, then the value of ""^nP_r is :

Evaluate (n!)/((n-r)!) when : r=2.

Evaluate (n!)/((n-r)!) when : r= 1.

Evaluate (n!)/((n-r)!) when : r= 3.

Evaluate (n!)/(r!(n-r)!) when : n=6,r=2 .

Evaluate (n!)/(r!(n-r)!) when : n=7,r= 4.

If a_(n) = sum_(r=0)^(n) (1)/(""^(n)C_(r)) , find the value of sum_(r=0)^(n) (r)/(""^(n)C_(r))

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