What is the meaning of Discriminant?
An expression that gives information about the roots of a polynomial; for example, the expression D = b - 4ac determines whether the roots of the quadratic equation ax + bx + c = 0 are real and distinct (D > 0), real and equal (D = 0) or complex (D < 0).
The invariant (on the vector space of forms of degree d in n variables) that vanishes exactly when the corresponding hypersurface in P is singular.
Serving to discriminate.
third-person plural present active indicative of discrīminō
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