1.

Rationalise the following ​

Answer»

\frac{1}{ \sqrt{7 - \sqrt{6} } }

multiple \: \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}


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