Question

How do you simplify `(1 - 2/a)/(4/(a^2 - 1))`?

Answer 1

`((a - 2)/a)/(4/(a^2 - 1))`

`=((a^2 - 1)(a - 2))/(4a`

`=(a^3 - a - 2a^2 + 2)/(4a)`
Hopefully this helps!