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(a-b)^2 Expansion and Visualisation

Solve of x:...

Question

Solve of $x : 3 x^{2} - 5 = 0$

x = \pm \sqrt{\frac{5}{3}}

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x = \pm \sqrt{\frac{1}{3}}

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x = \pm \sqrt{\frac{2}{3}}

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x = \pm \sqrt{\frac{4}{3}}

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Solution

The correct option is A $x = \pm \sqrt{\frac{5}{3}}$
Given, $3 x^{2} - 5 = 0$
$\Rightarrow 3 x^{2} = 5$
$\Rightarrow x^{2} = \frac{5}{3}$
Therefore $x = \pm \sqrt{\frac{5}{3}}$

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