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wise
Frequent VisitorJoined: 25 Mar 2004Posts: 28
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Posted: Mon Mar 07, 2005 11:26 pm Post subject: root
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find the value of k so that the equation x^3-3x+k=0 has two complex roots and one real root. how to do this question , thx~
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Kenny TM~
Frequent VisitorJoined: 20 Jan 2004Posts: 141
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Posted: Tue Mar 08, 2005 12:17 am Post subject: Re: root
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wise wrote:
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| find the value of k so that the equation x^3-3x+k=0 has two complex roots and one real root. how to do this question , thx~ |
Use discriminant > 0.
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