Use a technique you learned
in the Helper Application Tutorial to solve the system
Now try solving the
system using the method entered in the worksheet.
Note that a vector is treated as a column vector,
even if you enter it as a row.
What does the output mean? As you can see, there
are many ways to do the same task. In your report, explain what aspect
of (at least one of) your solution methods tells you the solution to this
problem is unique -- that is, that you are not just seeing one of
many possible solutions.