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Mathematics 27 Online
OpenStudy (anonymous):

evaluate

OpenStudy (anonymous):

\[3\sqrt{-1}\]

OpenStudy (anonymous):

sqrt of -1 is denoted as i . so we can write the answer as 3i

OpenStudy (callisto):

I think he meant \(\sqrt[3]{-1}\) ?

OpenStudy (anonymous):

ya.. sorry idk how to open my previous question i had to do it again

OpenStudy (callisto):

\[\sqrt[3]{-1}=[(-1)^3]^{\frac{1}{3}} = ...??\]

OpenStudy (callisto):

You've only asked one question using this account.

OpenStudy (anonymous):

?? but i thought posted this twice.

OpenStudy (callisto):

Not using this account.. Check you profile: http://openstudy.com/users/hobit2903

OpenStudy (anonymous):

oh ok maybe there was an error. thankyou

OpenStudy (callisto):

Maybe you meant this: http://openstudy.com/users/student928#/updates/501377c7e4b0fa2467303e46

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