Just a little hint for this one please.

$\displaystyle \frac {1}{1+ \sqrt{2}+ \sqrt{3}}$

Thank you.

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- Oct 7th 2008, 04:20 PMTingRationalising the denominator.
Just a little hint for this one please.

$\displaystyle \frac {1}{1+ \sqrt{2}+ \sqrt{3}}$

Thank you. - Oct 7th 2008, 05:46 PMticbol
- Oct 7th 2008, 07:16 PMTing
Thank you very much. I should have thought of trying that myself.

Got

$\displaystyle \frac {1+\sqrt{2}-\sqrt{3}}{2 \sqrt{2}}$

and then:

$\displaystyle \frac {\sqrt{2}}{4}-\frac {\sqrt{6}}{4}+\frac {1}{2}$

Thanks again.