Question

If a = 3-2/2, find the value of a²-1/a²​

Answer 1

Answer:

a= 1/2 , a²= 1/4

$\frac{a^{2} -1}{a^{2} }$ = $\frac{1}{4} -1$ X 4

= $\frac{1-4}{4}$ X 4

= -3