Question 750753
solve this equation for y:
x=((y^2)/((y^2)+1)))

multiply both sides of = by (y^2+1)

xy^2+x = y^2

xy^2-y^2) = -x

y^2(x-1) = -x

y^2 = - (x) / (x-1)

y = - sqrt(x / (x-1))