Guest

How to calculate the cofficent of x^py^qz^r in the expansion of (x+y+z)^n where p+q+r=n

How to calculate the cofficent of x^py^qz^r in the expansion of (x+y+z)^n where p+q+r=n

Grade:11

1 Answers

H AGGARWAL
90 Points
8 years ago
the coffiecient of the required can be obtained by using a shortcut formula n!÷p!q!r! Only in the case when p+q+r =n but if this condition is not given then use bionomial expansions.

Think You Can Provide A Better Answer ?

ASK QUESTION

Get your questions answered by the expert for free