Question

A3- 1/a^3 +2a - 2/a. how to factorise this??

Answer 1

go through the solution step by step

Answer 2

Step-by-step explanation:

a^3 - 1/a^3 - 2a + 2/a

(a-1/a) (a^2 + a×1/a + 1/a^2)

(a-1/a) (a^2 + 1 + 1/a^2 - 2)

(a-1/a) (a^2 + 1/a^2 - 1)