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The sum of the roots of the equation $x^{5}+3x^{2}+7=0$ is.

1. $-3$
2. $\frac{3}{7}$
3. $\frac{-1}{7}$
4. $0$

Here in this question sum of roots $=$ coefficient of $x^4$. So, sum $=0$.

In general, sum is $-1 \times$ coefficient of $x^{\text{degree }-1}$ in polynomial.

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