<?xml version="1.0" encoding="UTF-8"?>
<quiz>
  <question type="description">
    <name>
      <text>9.2.1.2 Column vector notation</text>
    </name>
    <questiontext format="html">
      <text><![CDATA[<h5></h5><h5>Column vector notation</h5><p>An alternative, useful, and often briefer notation is to write the vector \(\underline{r}=a\underline{i}+b\underline{j}\) in notation as \[\underline{r}= \begin{bmatrix} a\\ b \end{bmatrix}\,.\]</p><p></p>]]></text>
    </questiontext>
    <generalfeedback format="html">
      <text/>
    </generalfeedback>
    <defaultgrade>0</defaultgrade>
    <penalty>0</penalty>
    <hidden>0</hidden>
    <idnumber/>
  </question>
</quiz>
