2
√
3
Explanation:
to simplify we
rationalise the denominator
that is eliminate the radical from the denominator
to do this multiply the numerator/denominator by
√
3
[
noting in general that
√
a
×
√
a
=
a
]
⇒
6
√
3
=
6
√
3
×
√
3
√
3
=
6
√
3
3
=
2
√
3
