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OpenStudy (kaybel3l12234):
what is the square root of -18? Will medal and fan.
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OpenStudy (kaybel3l12234):
\[\sqrt{-18}\]
OpenStudy (osprey):
3root2i Mixture of a SURD and an IMAGINARY number (root(-1) is imaginary and called i, or j depending on who writes it.. If it were, say, 1 + 3root2 i then it would be a COMPLEX number, having both a "real" part - 1 - and an imaginary part the surd part. http://perendis.webs.com
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