M1.ptx

<exercise>
  <statement>
      <p>Of the following three matrices, only two may be multiplied.
      <md>
          <mrow>A=<xsl:value-of select="A"/> &amp; &amp; B=<xsl:value-of select="B"/> &amp; &amp; C=<xsl:value-of select="C"/></mrow>
      </md>
      Explain which two can be multiplied and why. Then show how to find their product.</p>
  </statement>
  <answer>
      <me><xsl:value-of select="productName"/>=<xsl:value-of select="product"/></me>
  </answer>
</exercise>