Even in my second semester of calc I have yet to see a situation where the extra step made any sense why is it important to write [tex]\frac{3\sqrt{13}}{13}[/tex] instead of leaving [tex]\frac{3}{\sqrt{13}}[/tex]. Its not a big deal but even my profs say its not that important so it has peaked my curiosity.(adsbygoogle = window.adsbygoogle || []).push({});

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# Why is it so important to rationalize radicals in the denominator?

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