Write the coefficient of $x^{3}$ in the following.
$2 - x^{3} + x^{2}$

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Solution

The given equation is $2 - x^{3} + x^{2} = 2 + (- 1 \times x^{3}) + x^{2}$

$∴$ Coefficient of $x^{3} = - 1$

Hence, the correct answer is $- 1.$

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