Polynomial expansion refers to the process of expressing a polynomial in an expanded form, where it is written as a sum of its terms, typically in a standard form. A polynomial is generally a mathematical expression involving a sum of powers in one or more variables, multiplied by coefficients. For example, a polynomial in one variable \(x\) can be expressed as: \[ P(x) = a_n x^n + a_{n-1} x^{n-1} + ...
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