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BUILT-IN MATHEMATICA SYMBOL
Coefficient
Coefficient[expr, form]
gives the coefficient of form in the polynomial expr.
Coefficient[expr, form, n]
gives the coefficient of 
in expr.
Details and Options
- Coefficient picks only terms that contain the particular form specified.
is not considered part of 
. - form can be a product of powers.
- Coefficient[expr, form, 0] picks out terms that are not proportional to form.
- Coefficient works whether or not expr is explicitly given in expanded form.
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