Question

factorise a⁴-(a+b)⁴​

Answer 1

Answer:

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

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

=(a^2+a^2+b^2+2ab) (a+a+b) (a-a+b)

=b(2a^2+b^2+2ab) (2a+b)