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Mathematics 14 Online
OpenStudy (anonymous):

Can someone give me the answer to this please? Question attached.

OpenStudy (anonymous):

OpenStudy (anonymous1):

\[\sqrt[4]{81x^4} = \sqrt[4]{3^4x^4}\] = 3x

OpenStudy (anonymous):

Just 3x?

OpenStudy (anonymous1):

Yes.

OpenStudy (anonymous):

Aha! Thank you very much :)

OpenStudy (anonymous1):

If x is positive.

OpenStudy (anonymous1):

You're welcome. In this case, the answer has a much simpler syntax than in the other cases.

OpenStudy (anonymous):

I'm glad. I had another pop up and posted it too.

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