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OpenStudy (anonymous):
radical in simplest form?
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OpenStudy (anonymous):
OpenStudy (hoblos):
i think you must multiply by the conjugate here which is sqrt(7/7) this will give you \[\sqrt{21}/7\]
OpenStudy (anonymous):
Not quite the conjugate, but this method works!
OpenStudy (hoblos):
yeah yeah it is not the conjugate **
OpenStudy (anonymous):
no worries ..
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