Question

factorise: x⁴- (x-z)⁴​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

(X²)² - (x² - z²)²

Let x²- z² be y

(X + y)(x - y) = x²-y². [ Identity]

(X² - y)(x² + y)

--› (x²-x²-z²)(x² + x²-z²)