Question

x^4-y^4 factorise plz

Answer 1

x⁴ - y⁴
= (x²-y²)(x²+y²)
= (x-y)(x+y)(x²+y²)

hope this helps you
àdi

Answer 2

hey mate here is ur ans

x^4-y^4
(x^2)^2-(y^2)^2
(x^2+y^2)(x^2-y^2). [we use a identity x^2-y^2=(x-y)(x+y)]
(x^2+y^2)(x+y)(x-y)

hope it may help u