Question

Ratinalise the denomination 3/15+6√5​

Answer 1

Answer:

247

$\frac{23 = 36}{?} \times \frac{?}{?}$

Answer 2

Answer:

=3/15+6 root5 × (15-6 root5)/15-6 root5

=3/15+6 root5 × (15-6 root5)/15-6 root5=45-18 root5/225-180

=3/15+6 root5 × (15-6 root5)/15-6 root5=45-18 root5/225-180=45-18 root5/45

=3/15+6 root5 × (15-6 root5)/15-6 root5=45-18 root5/225-180=45-18 root5/45=-18 root5