If r1 and r2 are two solutions of a quadratic equation ax2
Chapter 11, Problem 99(choose chapter or problem)
If r1 and r2 are two solutions of a quadratic equation ax2 + bx + c = 0, it can be shown that r1 + r2 = - b a and r1 r2 = c a Solve this system of equations for r1 and r2 .
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