Question

Rationalise the denominator of the following
Answer the two questions please

Answer 1

Answer:

$ii) \: \: \frac{1}{ \sqrt{7} - \sqrt{6} } \\ \\ \frac{1 \times ( \sqrt{7} + \sqrt{6} )}{( \sqrt{7} - \sqrt{6})( \sqrt{7} + \sqrt{6} ) } \\ \\ \frac{ \sqrt{7} - \sqrt{6} }{( \sqrt{7} ) {}^{2} - ( \sqrt{6}) {}^{2} } \\ \\ \frac{ \sqrt{7} - \sqrt{6} }{7 - 6} \\ \\ \frac{ \sqrt{7} - \sqrt{6} }{1} \\ \\ \\ iii) \: \: \frac{1}{ \sqrt{7} - 2} \\ \\ \frac{1 \times (\sqrt{7 } - 2)}{( \sqrt{7} ) {}^{2} - (2) {}^{2} } \\ \\ \frac{ \sqrt{7} - 2}{7 - 4 } \\ \\ \frac{ \sqrt{7} - 2}{3}$

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

SOLVED................