5. Let F= [3,2,1] and r= [2,1,–3]. Compute the following: %3D a) Proj „F. b) Orth rF = F – Proj „F. c) Use the answers to (a) and (b) to show that Proj „F 1 Orth,F.

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5. Let **F** = [3, 2, 1] and **r** = [2, 1, -3]. Compute the following:

a) \( \text{Proj}_{\mathbf{r}} \mathbf{F}. \)

b) \( \text{Orth}_{\mathbf{r}} \mathbf{F} = \mathbf{F} - \text{Proj}_{\mathbf{r}} \mathbf{F}. \)

c) Use the answers to (a) and (b) to show that \( \text{Proj}_{\mathbf{r}} \mathbf{F} \perp \text{Orth}_{\mathbf{r}} \mathbf{F}. \)
Transcribed Image Text:5. Let **F** = [3, 2, 1] and **r** = [2, 1, -3]. Compute the following: a) \( \text{Proj}_{\mathbf{r}} \mathbf{F}. \) b) \( \text{Orth}_{\mathbf{r}} \mathbf{F} = \mathbf{F} - \text{Proj}_{\mathbf{r}} \mathbf{F}. \) c) Use the answers to (a) and (b) to show that \( \text{Proj}_{\mathbf{r}} \mathbf{F} \perp \text{Orth}_{\mathbf{r}} \mathbf{F}. \)
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