Question

factorise
a^4 +a^2b^2 +b^4​

Answer 1

Step-by-step explanation:

a^4+a^2b^2+b^4

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

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

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

Ans

Answer 2

Answer = 4a + 4ab + 4b

..............................................