Question

Find the values of x for which the denominator is equal to zero for y=x^2/x^2+1 .

Answer 1

deleted: deleted by user

Answer 2

Explanation:

I assume that you mean y = x²/(x²+1), not y = x²/x²+1.

x²+1 = 0

x² = -1

x = ±√(-1) = ±i