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Write the coefficient of $x^2$ in each of the following:$ 9-12 x+x^{3} $<
Given :
The given expression is \( 9-12 x+x^{3} \).
To do :
We have to find the coefficient of $x^2$ in the given expression.
Solution :
Coefficient :
A coefficient is the numerical part of a product of numbers and variables.
\( 9-12 x+x^{3}=x^3+0 x^2-12x+9 \)
Here, $x^2$ is multiplied by $0$.
Therefore, the coefficient of $x^2$ in the given expression is $0$.
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