Question

Factorise 1). (16y^2-1)+(1-4y)^2
2). a^3 -2 root 2 b^3​

Answer 1

Step-by-step explanation:

2)

a^3 - 2√2b^3

= (a)^3 - (√2b)^3

= (a - √2b) [ (a)^2 + (a)(√2b) + (√2b)^2]

= (a - √2b) (a^2 + √2ab + 2b^2)