Question

Factorise; a^2-2+1/a^2.​

Answer 1

Answer:

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

Step-by-step explanation:

first we do the LCM of given factorise

=>a^4-2a^2+1/a^2

=> 1/a^2(a^4-2a^2+1)

=> 1/a^2(a^2-1)(a^2-1)