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A coefficient gives a constant value in a product with a variable. Often it is a factor or a parameter. In its simplest form you get

a · xn


Example 1

In the polynomial

with the variable x, are a0a1a2, ... , an the coefficients of the succeeding terms.


Example 2

In the binomium

with the variables a and b are the coefficients combinations. They are called binomial coefficients.


Example 3

In the constant multiple rule

is u a function of the variable x, and is the coefficient c a constant.


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