Question

Rationalize the following:


7/root 12- root 5

Answer 1

$= = > \: \: \frac{7}{ \sqrt{12} - \sqrt{5} } \\ \\ = = > \: \: \frac{7}{ \sqrt{12} - \sqrt{5} } \times \frac{ \sqrt{12} + \sqrt{5} }{ \sqrt{12} + \sqrt{5} } \\ \\ = = > \: \: \frac{7( \sqrt{12} + \sqrt{5} ) }{ {( \sqrt{12}) }^{2} - {( \sqrt{5}) }^{2} } \\ \\ = = > \: \: \frac{7( \sqrt{12} + \sqrt{5}) }{12 - 5} \\ \\ = = > \: \: \frac{ \cancel{7}( \sqrt{12} + \sqrt{5} ) }{ \cancel{7}} \\ \\ = = > \: \: \sqrt{12} + \sqrt{5}$

Answer 2

Step-by-step explanation:

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btw above ans is right