The quadratic equation has one root which is twice the other. a)Prove that b)Prove also that the roots are rational whenever L is rational
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Originally Posted by deltaxray The quadratic equation has one root which is twice the other. a)Prove that b)Prove also that the roots are rational whenever L is rational First the roots are: and So either or one of these has complex roots so is impossible for this problem, and the other should lead to the required solution. CB
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