Question

4. Find the product of (a+b)(a²-ab+b?)​

Answer 1

a³+b³

Explanation:

this is formula. You can also refer to the attachment

Answer 2

Explanation:

(a + b) (a² - ab + b) = a*(a² - ab + b) + b(a² - ab + b)

= a*a² - a*ab +a*b + b*a² - b*ab + b*b

= a³ - a²b + ab + a²b -ab² + b²

= a³ - a²b + a²b + ab - a²b + b²

= a³ + ab - a²b + b²