Question: pls help 6. (5 points) Let W be a subspace of R with some inner product (, ). We know for every x ( R,

pls help

6. (5 points) Let W be a subspace of R" with some inner product (, ). We know for every x ( R", there is a unique decomposition X = W1+ W/2 where wi E W and w2 ( WJ. In fact, wi = projw(x) and w2 = x - projw (x). (a) Show that Iprojw (x)| |

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