2. For the q. attached, why can't a = -1 too?

3. Calculate the area bounded by the graphs of f(x) = x^2, g(x) = 1/x^2, x>0 and the line x =3. Could someone please verify the answer for me? The txtbk says it's 8 units squared but for some reason I only get 1 ><

Thanx a lot.