root 3 minus root 7 all divided by root 3 plus root 7

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- Dec 19th 2012, 03:23 PMrichardwedderburnRationalization
root 3 minus root 7 all divided by root 3 plus root 7

- Dec 19th 2012, 03:41 PMskeeterRe: Rationalization
$\displaystyle \frac{\sqrt{3} - \sqrt{7}}{\sqrt{3} + \sqrt{7}} \cdot \frac{\sqrt{3} - \sqrt{7}}{\sqrt{3} - \sqrt{7}} = ?$