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# Let r and s be the roots of 3x^2 + 4x + 12 = 0. Find r^2 + s^2.

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Let r and s be the roots of 3x^2 + 4x + 12 = 0. Find r^2 + s^2.

May 4, 2020

#1
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By the quadratic formula, the roots are (-2 - \pm 2i sqrt(7))/3, and so r^2 + s^2 = 62/9.

May 4, 2020
#2
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It said it was wrong...

May 4, 2020