11 a^4 - 11 b^4 = a^2+2ab+b^2

Question

11 a^4 - 11 b^4 =
a^2+2ab+b^2

Answer 1

11 a^4 - 11 b^4 =11(a⁴-b⁴)=11(a²-b²)(a²+b²)=
11(a-b)(a+b)(a²+b²)
a^2+2ab+b^2=(a+b)²

Answer 2

11 a^4 - 11 b^4 ==11(a^4-b^4)=11(a²-b²(a²+b²)=11(a-b)(a+b)(a²+b²)
a^2+2ab+b^2=(a+b)²