Let u and v be the solutions to 3x^2 + 5x + 7 = 0. Find 1u2+1v2.
(u^2 + v^2)/(u^2*v^2)
((u+v)^2-2(uv))/((uv)(uv))
By vietas, u + v = -5/3, and uv = 7/3.
Take it from here. :))
=^._.^=
