Write the coefficient of $x^{2}$ in the following polynomial:
$π x^{2} - 3 x + 5$

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Solution

Given polynomial is:
$π x^{2} - 3 x + 5$
A coefficient is a multiplicative factor of a term of a polynomial, a series or any expression. It is usually a number, but may be any expression. The variables appearing in the coefficients are often called parameters, and must be clearly distinguished from the other variables.
As per definition, $π$ is the coefficient of $x^{2}$ .

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