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OpenStudy (anonymous):
please help me understand!!! :) new lesson that I CANNOT seem to grasp... :( Simplify √-121
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OpenStudy (anonymous):
My answer: -11 (upside down exclamation point)
hartnn (hartnn):
\(\huge \sqrt{-1}=i\)
OpenStudy (anonymous):
|dw:1352138923050:dw|
hartnn (hartnn):
\(\sqrt{-121}=\sqrt{-1}\sqrt{121}=?\)
OpenStudy (anonymous):
Not quite sure, dear
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hartnn (hartnn):
|dw:1352138982028:dw| now ?
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