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OpenStudy (anonymous):
Simplify √-80
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OpenStudy (anonymous):
if you already know imaginary numbers then 80 = 16 * 5 square root of 16 =4 and thus 4 square root of 5 i
OpenStudy (anonymous):
\[4i \sqrt{5}\] Only because i'm a sucker of notation. :) But I agree with JAMG :)
OpenStudy (anonymous):
thanks!
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