Question

Use the Binomial Theorem to find the indicated coefficient or term.

The 3rd term in the expansion of (5x + 2) 3

Answer 1

ans: coefficient of 3rd term is 60

3rd term is 60x

Explanation:

(5x +2)³ = C(3,2) × (5x)^(3-2) × 2²

= 3 × 5 × 4 × x

= 60x