Show that translations and scalings commute among themselves but not with each other; i.e., T T' = T' T and S S' = S' S but T S and S T are generally not equal. how can i show that they are generally not equal?

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- February 22nd 2010, 04:15 PMp00ndawghelp with translations
Show that translations and scalings commute among themselves but not with each other; i.e., T T' = T' T and S S' = S' S but T S and S T are generally not equal. how can i show that they are generally not equal?

- February 23rd 2010, 05:05 AMHallsofIvy