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Graphical interpretation and visualizing the complex roots of polynomial functions with Real Coefficients.

Enter the values of the coefficients A, B, C and D of the Quartic polynomial using the input fields and find its Roots. The roots (are indicated in green) are calculated using the Geogebra command: ComplexRoot(f). Graphical interpretation the Roots: the intersection of implicit functions, which are the zeroed real and imaginary parts of the complex function f(z), respectively: real(f(z))=0 and imaginary(f(z))=0.