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Let u and v be the solutions to 3x^2 + 5x + 7 = 0.  Find $\frac{1}{u^2} + \frac{1}{v^2}$.

 May 28, 2021
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(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. :))

 

=^._.^=

 May 28, 2021

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