Question

please solve question 12 right, i mark him as brilliantlist

Answer 1

hey..

here is ur answer

Answer 2

$\frac{5 - \sqrt{6} }{5 + \sqrt{6} } \times \frac{5 - \sqrt{6} }{5 - \sqrt{6} } = \frac{ {(5 - \sqrt{6)} }^{2} }{ {5}^{2} - { \sqrt{6} }^{2} } \\ = \frac{ {5}^{2} + { \sqrt{6} }^{2} - 10 \sqrt{6} }{25 - 6 } \\ = \frac{31 - 10 \sqrt{6} }{19} \\ a = \frac{31}{19} \\ b = \frac{10}{19}$