Question: 3 0 . Prove that if one solution for a quadratic equation of the form x 2 + bx + c = 0 is rational

30. Prove that if one solution for a quadratic equation of the
form x 2+ bx + c =0 is rational (where b and c are rational), then the other solution is also rational. (Use the fact
that if the solutions of the equation are r and s, then
x 2+ bx + c =(x r)(x s).)

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