Update main.tex

Author: annadavismath

VSP-0040/main.tex

@@ -110,7 +110,7 @@ \subsection*{Row Space of a Matrix}
 $$\vec{w}=b_1\vec{r}_1+\ldots +\frac{b_i}{k}(k\vec{r}_i)+\ldots +b_m\vec{r}_m$$
 So $\vec{w}$ is in $\mbox{span}(\vec{r}_1,\ldots ,k\vec{r}_i,\ldots ,\vec{r}_m)$.
 
-We leave it to the reader to verify that adding a multiple of one row of $A$ to another does not change the row space.  (See Practice Problem \ref{prob:proofofrowBrowA}.)  
+We leave it to the reader to verify that adding a multiple of one row of $A$ to another does not change the row space.  %(See Practice Problem \ref{prob:proofofrowBrowA}.)  
 %  Now suppose that $B$ was obtained from $A$ by adding $k$ times row $j$ to row $i$.  We need to show that 
 %  $$\mbox{span}(\vec{r}_1,\ldots ,\vec{r}_i+k\vec{r}_j,\ldots ,\vec{r}_m)=\mbox{span}(\vec{r}_1,\ldots ,\vec{r}_i,\ldots ,\vec{r}_m)$$