Question

evaluate (a²+b²) (a+b) (a-b)​

Answer 1

Answer:

Step-by-step explanation:

$(a^2 + b^2)(a +b)(a - b) = (a^2 + b^2)(a^2 - b^2) = (a^2)^2 - (b^2)^2 = a^4 - b^4$