Question

5. Factorize:
(a) a⁴ +64​

Answer 1

a⁴ + 64 + 16a² - 16a² .. (16a² - 16a² is nothing but zero)

{(a²)² + 8² + 2×8×a} - (4a)²

by using identity : a² + b² + 2ab = (a + b)²

(a² + 8)² - (4a)²

by using identity : a² - b² = (a+b) (a-b)

=> (a² + 8 +4a) (a² + 8 -4a)

Hope It Helps!!

Mark Brainliest !!