Question

Factorise : a4 – 16.​

Answer 1

Answer:

a4_16= (a2+4) (a2_4)

Step-by-step explanation:

mark as brainly answer

Answer 2

Answer:

Hey mate,

Here is ur answer......

a⁴-16

= (a²)²-(4)²

= (a²+4) (a²-4)

= (a²+4) [(a)² - (2)²]

= (a²+4) (a+2) (a-2)

{ IDENTITY USED: a²-b² = (a+b) (a-b)}

Hope this helps you and if then please follow me and mark me as brainliest.....