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# For the vectors in Exercise 40, find $orth_a b$ and illustrate by drawing the vectors $a, b, proj_a b,$ and $orth_a b$.

## $\operatorname{orth}_{\mathrm{a}} \mathrm{b}=\left\langle\frac{20}{17},-\frac{5}{17}\right\rangle$

Vectors

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##### Lily A.

Johns Hopkins University

##### Catherine R.

Missouri State University

##### Michael J.

Idaho State University

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### Video Transcript

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