Ask your own question, for FREE!
Mathematics 53 Online
OpenStudy (anonymous):

what is the root of -1

OpenStudy (owlfred):

Hoot! You just asked your first question! Hang tight while I find people to answer it for you. You can thank people who give you good answers by clicking the 'Good Answer' button on the right!

OpenStudy (anonymous):

It has no roots.

OpenStudy (anonymous):

It has a cube root! It's -1.

OpenStudy (anonymous):

Oh I though he was asking about "the root" (when it's equal \(0\)). The square root of \(-1\) is undefined on the set of real number. Actually \(\sqrt{-1}\) defines i, the imaginary unit.

OpenStudy (anonymous):

i dont know the square root but the cube root is -1

OpenStudy (anonymous):

Yep, the \(n\)th root of \(-1\) is \(-1\) for any positive odd number \(n\).

OpenStudy (anonymous):

For any odd number \(n\) actually*

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!