Question

Using the binomial theory, write down and simplify the terms of the expansion of (2+x)2 in ascending Powers of x.in step by step​

Answer 1

Explanation:

hello :

by identity : (a+b)² = a²b² +2ab

when : a = 2 and b=x

(2+x)² = 2²+x²+2(2)(x) =4+x²+4x

(2+x)² = x²+4x+4