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OpenStudy (anonymous):
can this simplify anymore? +-2√20 over 12
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OpenStudy (anonymous):
sqrt(5)/3
OpenStudy (anonymous):
\[\frac{\pm \sqrt{5}}{3}\]
OpenStudy (anonymous):
20 is a multiple of 4 and 5. 4 is a perfect square. Therefore, \[{2*\sqrt{4*5} \over 12} = {4*\sqrt{5} \over 12} = {\sqrt{5} \over 3}\]
OpenStudy (anonymous):
Thank You!!
jhonyy9 (jhonyy9):
eashmore where is +/- ?
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