Hi, Prove that the roots of the following equation are real: Thanks,
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Hi Originally Posted by sancellX Hi, Prove that the roots of the following equation are real: Thanks, This equation has real solutions iff , where is the discriminant. Therefore : The red part is something like , with x=(a-b) and y=c. So Knowing that a squared number is always positive, what can you conclude ?
evaluate the discriminate The sum of two square is clearly positive. Bobak Edit: I got beaten by a matter of seconds.
Originally Posted by bobak evaluate the discriminate The sum of two square is clearly positive. Bobak
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