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daveknockwin daveknockwin
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11 years ago
Using calculus, prove that x^4-4qx+r=0 has at most 2 real roots for any choice of real numbers q and r. Find a relationship between q and r which determines whether the number of distinct real roots is 0, 1, or 2.
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dave67tapoutdave67tapout
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11 years ago
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