Multivariable Calculus · free preview

1.3 Vectors (continued)

What is a vector?

1. Properties of Vector Operations

Properties of Vector Operations

2. Geometric Interpretation of Vector Operations

Geometric Interpretation of Vector Operations

3. $\vu+2\vv+3\vw$…

\vu+2\vv+3\vw\vu+2\vv+3\vw

4. $2\vw-3\vu$…

2\vw−3\vu2\vw-3\vu

5. $-4(\vv-\vw)$…

−4(\vv−\vw)-4(\vv-\vw)

6. $-2(3\vu)$…

−2(3\vu)-2(3\vu)

7. Give the components …

Give the components of the vector that fills in the blank: (2\vw−3\vu)−‾=\vzero(2\vw-3\vu) - \underline{\hspace{2.5cm}} = \vzero

8. Explain why the foll…

Explain why the following expression does not make sense:

2⟨2,4,−7⟩−3⟨−π,7⟩2 \langle 2,4,-7 \rangle - 3 \langle -\pi, \sqrt{7} \rangle

9. On the axes in

On the axes in , sketch the vectors \vu+\vv\vu + \vv, \vv−\vu\vv - \vu, 2\vu2\vu, −2\vu-2\vu, and −3\vv-3\vv.

10. What are the compone…

What are the components of 0\vv0\vv?

11. On the axes in

On the axes in , sketch the vectors −3\vv-3\vv, −2\vv-2\vv, −1\vv-1\vv, 2\vv2\vv, and 3\vv3\vv.

12. Give a geometric des…

Give a geometric description of the set of terminal points of the vectors t\vvt\vv where tt is any scalar.

13. On the set of axes in

On the set of axes in , sketch the vectors \vu−3\vv\vu-3\vv, \vu−2\vv\vu-2\vv, \vu−\vv\vu-\vv, \vu+\vv\vu + \vv, and \vu+2\vv\vu + 2\vv.

14. Give a geometric des…

Give a geometric description of the set of terminal points of the vectors \vu+t\vv\vu + t\vv where tt is any scalar.

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