Whats root 4 in root 3 of 2c

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how do I attack this little monster?

Root of 4 INSIDE a root of 3 and in that is a 2c

so what the hell is am I suppose to do first?

any ideas? whats the answer?

please help, thanks.

The link is taking me nowhere..

this is what I understand you have:

[4]sqrt[]3sqrt(2c) = [(2c)^1/3]^1/4 = (2c)^1/12