Question

factorise of x"4-y"4 are​

Answer 1

Answer:

(x² + y²)(x + y)(x - y)

Step-by-step explanation:

x⁴ - y⁴

(x²)² - (y²)²

(x² + y²)(x² - y²)

(x² + y²)(x + y)(x - y)