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Grouping terms under the radical
This must be a classic question. When I input Sqrt[(2 n)] Mathematica displays the output as Sqrt Sqrt[n] -- i.e., both 2 and n are under their own radical. The display of output doesn't change if I impose the assumption that n > 0. This is fine from a mathematical point of view, but it looks unconventional when pasted into a paper. It seems to me most authors would keep the 2 and the n under a common radical -- how can I get Mathematica to do the same? Thanks!