Question

how to find the expansion from end in the bionomoial theorm​

Answer 1

Heya mate!!

In the binomial expansion of (x + y)n , the rth term from end is (n – r + 2)th .

Hope it helps u dear✌️✌️

Answer 2

Answer:

Let (x+a)^n be tge expansion

Then a 'r'th term from the end would be

T(n-r+2)= nCn-r+1 * x^r-1 * a^n-r+1