# Quadratic equation

Submitted by alpha on Fri, 01/15/2010 - 16:23.

For what value of a, quadratic equation will have more than 2 roots.

I want to know the idea used to solve this problem.

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## Quadratic equation
Submitted by alpha on Fri, 01/15/2010 - 16:23.
For what value of a, quadratic equation will have more than 2 roots. I want to know the idea used to solve this problem. |