Question

simplify: (a-b)² (a+b)² + 2a²b²

Answer 1

Hello dear your answer...



1)(a-b)^2 (a+b)^2+2a^2b^2
=>(a-b)^2 (a+b)^2+2a^2b^2
=>(a^2-b^2)^2+2a^2b^2
=>a^4+b^4




Thanks!!!