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Zeroes of a Polynomial

Find the zero...

Question

Find the zero of the polynomial $2 x^{2} - 9.$

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Solution

${2 x}^{2} - 9$
zeros of the polynomial
${2 x}^{2} - 9 = 0$
$x^{2} = \frac{9}{2}$
$x = \pm \frac{3}{\sqrt{2}}$

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