Question

rationalise 1/ 11 - √13​

Answer 1

$\frac{1}{11 - \sqrt{13} }$

$multipy \: and \: divide \: by \: \\ 11 + \sqrt{13}$

$\frac{11 + \sqrt{13} }{( {11}^{2} - { \sqrt{13} }^{2}) }$

$\frac{11 + \sqrt{13} }{121 - 13}$

$\frac{11 + \sqrt{13} }{108}$

Answer 2

Answer:

Final answer is 11 +√13 / 108