Let M,N be subspaces of Rn. The perp operator acts on subspaces, we can ask how it interacts with other
(a) Show that two perps cancel: (M┴)┴ = M.
(b) Prove that M N implies that N┴ ⊂ M┴.
(c) Show that (M+ N)┴ = M┴ ∩ N?.
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Question Posted: June 01, 2016 02:10:05