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Coefficient

EXPLORE THIS TOPIC IN the MathWorld Classroom

A multiplicative factor (usually indexed) such as one of the constants a_i in the polynomial

 a_nx^n+a_(n-1)x^(n-1)+...+a_2x^2+a_1x+a_0.

In this polynomial, the monomials are x^n, x^(n-1), ..., x, and 1, and the single variable is x.

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