0 formulas included in custom cheat sheet |
Solutions (roots):
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If is the discriminant , then the roots are
1. real and unique if
2. real and equal if
3. complex conjugate if
Let
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Then solutions (roots) of the cubic equation are:
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If is the discriminant of the cubic equation, then:
1. one root is real and two complex conjugate if
2. all roots are real and at last two are equal if
3. all roots are real and unequal if
Let be a real root of the cubic equation
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Then solutions of the quartic equation are the 4 roots of
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Please tell me how can I make this better.