Question

Simplify and show work.
4a^2 1
----- + -----
a^2 a^2

Answer 1

- so if you want solve it for a , and because the nominator is the same a*2 you can writing
4a*2 +1 = 0 --- 4a*2 = -1 --- a*2 =-1/4 --- because i*2 =(-1) hence
(-1)*(1/2) =i --- a_1,_2 =(+,-i)/2

a_1 =i/2
a_2 =(-i)/2