Question

Prime factorise and rationalise the denominator
$\frac{1}{9 + \sqrt{5 } + \sqrt{6} }$
​

Answer 1

Answer:

Answer is 13.6855577 tis question

Answer 2

Answer:

1 × 9-√5-√6

9+√5+√6 × 9-√5-√6

= 9-√5-√6

(9+√5+√6)(9-√5-√6)

= 9-√5-√6

81-9√5-9√6+9√5-25-30+9√6-30-36

= 9-√5-√6

81-25-30-30-36

= 9-√5-√6

81-121

= 9-√5-√6

-40

= -(9+√5+√6)

_40

= ,9+√5+√6

40