Polynomial
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Polynomial |
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A polynomial in x is of the form:
$p(x)=ax^n+bx^{n-1}+cx^{n-2}+...+px+q$
Solving $p(x)=0$ will give n roots, some (or all) of which might be complex (see complex number), although some may be repeated roots. For example, $x^2-2x+1=0$ has two roots, but both are equal to 1.
See also Roots of Polynomials