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# If $a = \langle 3, 0, -1 \rangle$ find a vector $b$ such that $comp_a b = 2$.

## $\langle 0,0,-2 \sqrt{10}\rangle$ or any vector of the form $\langle s, t, 3 s-2 \sqrt{10}\rangle, s, t \in \mathbb{R}$

Vectors

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##### Lily A.

Johns Hopkins University

##### Kristen K.

University of Michigan - Ann Arbor

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### Video Transcript

The problem is, if a beacon to three year old Mick to want find a doctor, be such that this kind of a projection of feet onto a is they got you too. So a lot b is equal to you. Want me to three? Then as definition of the scalp projection of be onto a, we have they not be over magnitude off a stick or two. Toby Half three B one minus B three over. You're a tough ten. Is their country too. So three B one minor speed three is equal to two hams. Which of ten we can choose the one you called zero the three Continetti ve two hams root of ten on B two. Coming. I remember. See, we can't. Might be too weak or too. Why? Back to you. Zero one Negative two time spirit of ten. Thank you. If b if we go to this work too, then the scanner projection ofthe beyond Toei is they got to

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#### Topics

Vectors

##### Lily A.

Johns Hopkins University

##### Kristen K.

University of Michigan - Ann Arbor

Lectures

Join Bootcamp