[Tex/LaTex] Latex matrix of real numbers R^3×3


I trying to write R^3×3 (for a matrix 3 columns and 3 rows) in Latex using this:


But all this does is put the first 3 in the power and then writes x3 next to it in normal text.I must be searching wrong on google, so I can't find it.

Also tried some stuff like:


But this gives nothing

Any help is appreciated.


Best Answer

You should put 3x3 in {} like:


or better

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