Question

x⁴ - 4y⁴

Answer 1

x^4−4y^4

=(x^2)^2−(2y^2)^2

=(x^2−2y^2)(x^2+2y^2)

chúc bạn học tốt!

Answer 2

\(x^4-4y^4\)

\(=\left(x^2\right)^2-\left(2y^2\right)^2\)

\(=\left(x^2-2y^2\right)\left(x^2+2y^2\right)\)

Answer 3

\(x^4-4y^4\)

\(=\left(x^2\right)^2-\left(2y^2\right)^2\)

\(=\left(x^2-2y^2\right)\left(x^2+2y^2\right)\)