Question

5. Rationalise the denominators of the following:
$1 \\ \sqrt{7 - \sqrt{6} }$
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Answer 1

Answer:

$\frac{1}{ \sqrt{7} - \sqrt{6} } \times \frac{ \sqrt{7} + \sqrt{6} }{ \sqrt{7} + \sqrt{6} } \\ \frac{ \sqrt{7 } + \sqrt{6} }{7 - 6} = \sqrt{7} + \sqrt{6}$