Question

The complete factors of a⁴−16b⁴ are
a) (a+2b)(a−2b)(a²+4b²)
b) (a²−4b²)
c) (a+2b)²(a−2b)²

Please answer i'm in exam

Answer 1

a⁴−16b⁴

$\implies$ (a² + 4b² )(a² - 4b²)

$\implies$ ( a + 2b) ( a − 2b)(a² + 4b²)

$\bf{\red{Hope \: it \: helps \: uh!}}$

Answer 2

here's your answer hope it helps you