Difference between revisions of "Root (polynomial)"
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| − | A '''root''' of a [[function]] (often a [[polynomial]]) <math>f(x)</math> is a value <math>a</math> in the [[domain]] of the function such that <math>f(a) = 0</math>. | + | A '''root''' of a [[function]] (often a [[polynomial]]) <math>f(x)</math> whose range is the [[real number | real]] or [[complex number]]s is a value <math>a</math> in the [[domain]] of the function such that <math>f(a) = 0</math>. |
Revision as of 19:45, 29 September 2006
A root of a function (often a polynomial) 
whose range is the real or complex numbers is a value 
in the domain of the function such that 
.
