Question

factorise the following

(i) a⁴-b⁴​

Answer 1

Answer:

(a + b)(a - b)(a² + b²)

Step-by-step explanation:

a^4 - b^4 = (a² - b²)(a² + b²) = (a + b)(a - b)(a² + b²)

Answer 2

Answer:

factors ofa⁴ - b⁴

= (a²)² - (b²)²

= (a² + b²)(a² - b²)

= (a² + b²)(a + b)(a - b)