amberawesomeada
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  • 16-06-2017
  • Mathematics
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Simplify square root of negative 48

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jdoe0001 jdoe0001
  • 16-06-2017
[tex]\bf \sqrt{-48}\qquad \begin{cases} 48=2\cdot 2\cdot 2\cdot 2\cdot 3\\ \qquad 2^2\cdot 2^2\cdot 3\\ \qquad (2^2)^2\cdot 3 \end{cases}\implies \sqrt{-1\cdot (2^2)^2\cdot 3} \\\\\\ \sqrt{-1}\cdot \sqrt{(2^2)^2\cdot 3}\implies i\cdot 2^2\sqrt{3}\implies 4\sqrt{3}\ i[/tex]
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