விகிதப்படுத்தி சுருக்குக — task. கணிதம், Class 9.

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1.

$(\sqrt{47} + \sqrt{5}) (\sqrt{47} - \sqrt{5})$

$=$

2.

${(\sqrt{47} - \sqrt{5})}^{2}$

$=$

$i$

$2$

$\sqrt{i}$

3.

$\frac{5}{14 + \sqrt{19}}$

$\frac{5 (14 - \sqrt{19})}{14}$
$\frac{5 (14 + \sqrt{19})}{19}$
$\frac{5 (14 - \sqrt{19})}{177}$

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