Question

factorise
1)a4-16x4
2)x2-0.01

Answer 1

Answer:

1) a^4-16*4

(a^2)^2-64

(a^2)^2-8^2

using identity

a^2-b^2=(a-b)(a+b)

(a^2-8)(a^2+8)

Answer 2

Answer:

(a^2-8^2)(a^2+8^2)

Step-by-step explanation:

(a^2-8^2)(a^2+8^2),a^2=8^2thena=-8,+8,