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Which expression is equal to 2−32−−−−√ ?

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1813

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+912

Which expression is equal to 2−32−−−−√ ?

AngelRay Dec 21, 2017

Best Answer

+9488

+1

$2\sqrt{-32} \\~\\ =2\cdot\sqrt{16\cdot2\cdot -1} \\~\\ =2\cdot\sqrt{16}\cdot\sqrt2\cdot\sqrt{-1} \\~\\ =2\cdot4\cdot\sqrt2\cdot i \\~\\ =8i\sqrt2$

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hectictar Dec 21, 2017

1⁺⁰ Answers

+9488

+1

Best Answer

$2\sqrt{-32} \\~\\ =2\cdot\sqrt{16\cdot2\cdot -1} \\~\\ =2\cdot\sqrt{16}\cdot\sqrt2\cdot\sqrt{-1} \\~\\ =2\cdot4\cdot\sqrt2\cdot i \\~\\ =8i\sqrt2$

hectictar Dec 21, 2017

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