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Quadratic Equations

Which of the ...

Question

Which of the following are quadratic surds?

$\sqrt[3]{5}$

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$\sqrt{7}$

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$\sqrt[3]{3}$

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$\sqrt[4]{3}$

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Solution

The correct option is B
$\sqrt{7}$

Quadratic surds are the surds which have power $\frac{1}{2}$

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