A GeoGebra applet
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(Difference between revisions)
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+ | ==The complex roots of a quartic polynomial== | ||
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The plane is used here in two different ways. The function f(x) is graphed in the usual x-y plane, while the roots are in the complex plane. Note also that the roots - if complex - come in conjugate pairs. | The plane is used here in two different ways. The function f(x) is graphed in the usual x-y plane, while the roots are in the complex plane. Note also that the roots - if complex - come in conjugate pairs. |