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Definition of Functions

Find the zero...

Question

Find the zeroes of the polynomial $4 u^{2} + 8 u$

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Solution

Let $4 u^{2} + 8 u = 0$
$⟹ 4 u (u + 2) = 0$
$⟹ u = 0, - 2$
The zeroes of the polynomial $4 u^{2} + 8 u$ is $0, - 2$

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