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In mathematics, a coefficient is a constant multiplicative factor of a certain object. For example, the coefficient in 9x2 is 9. A coefficient can also be a variable such as [math]a[/math], [math]b[/math] and [math]c[/math].
- [math]a_1 x_1 + a_2 x_2 + a_3 x_3 + \cdots [/math]
where an is the coefficient of the variable xn for each n = 1, 2, 3, …
- "Compendium of Mathematical Symbols" (in en-US). 2020-03-01. https://mathvault.ca/hub/higher-math/math-symbols/.
- "Definition of Coefficient". https://www.mathsisfun.com/definitions/coefficient.html.
- Weisstein, Eric W.. "Coefficient" (in en). https://mathworld.wolfram.com/Coefficient.html.