Question

Rationalise 5+√6 upon 5-√6

Answer 1

$\frac{ 5+ \sqrt{6} }{ 5 - \sqrt{6} }$

rationalise the denominator.

$\frac{(5 + \sqrt{6} ) {}^{2} }{5 {}^{2} - 6 }$

$= \frac{(5 + \sqrt{6 } ) {}^{2} }{19}$

⏩ I hope it help you