Question

factorise the following
x4-y^4​

Answer 1

Answer:

 x^4  - y^4

= (x² + y²)×(x² - y²)

= (x² + y²)×(x + y)(x - y)

= (x² + y²)(x + y)(x - y)

____(_)_(_)____

Step-by-step explanation:

Answer 2

$\huge\red{  (x {}^{4} −y {}^{4} ) }\\ \huge\green{(x {}^{2} +y {}^{2} )(x {}^{2} −y {}^{2} )} \\ \huge\purple{(x {}^{2} +y {}^{2} )(x+y)(x−y)}$