Using binomial theorem, expand each of the following:

Question

Philoid · Accepted Answer

To find: Expansion of

Formula used: (i)

(ii) (a+b)ⁿ = ⁿC₀aⁿ + ⁿC₁a^n-1b + ⁿC₂a^n-2b² + …… +ⁿC_n-1ab^n-1 + ⁿC_nbⁿ

We have,

⇒ ⁵C₀(x)^5-0 + ⁵C₁(x)^5-1 + ⁵C₂(x)^5-2 + ⁵C₃(x)^5-3+ ⁵C₄(x)^5-4+ ⁵C₅

⇒

Ans)