Find the range of y = 1 / (2x ^ 2 - 3x + 1)

Find the range of y = 1 / (2x ^ 2 - 3x + 1)

y=1/[2(x^2-3/2 x+9/16)-1/8]=1/[2(x-3/4)^2-1/8]
So the result is (-, - 8] U (0, +,)