Question

( a^2 + ab + b^2) X (b ^2 - ab +a^2). My answer doesn't get correct and it isn't match with the book answer​. Anyone Please tell na!

Answer 1

Step-by-step explanation:

a²(b² - ab + a²) +ab (b² -ab +a²) +b²(b²-ab+a²)

(ab)² - a³ + a⁴ +ab³ -(ab)²+a³b +b⁴-ab³. (ab)²

(ab)²+a⁴+b⁴-a³+ab³+a³b-ab³+b⁴

2b⁴+(ab)²+a⁴