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A term in an algebraic expression can be a constant, a variable or a product of constants and variables separated by the signs of addition (+) or subtraction ($-$) . Examples: 27, x, xyz, $\frac{1}{2}{x}^{2}yz$ etc.
The number factor of the term is called its coefficient.

(i) The expression $7{x}^{2}yz-5xy$ consists of two terms, i.e.,  $7{x}^{2}yz$ and $-5xy$.
The coefficient of $7{x}^{2}yz$ is 7 and the coefficient of $-5xy$ is $-5$.

(ii) T…

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