Question 38541
<pre><font size = 6><b>   Example: sqrt(-9) + sqrt (-36)
               __    ___ 
              <font face = "symbol">Ö</font>-9 + <font face = "symbol">Ö</font>-36
                _     __
              i<font face = "symbol">Ö</font>9 + i<font face = "symbol">Ö</font>36

             i(3) + i(6)

              3i + 6i

                9i

Edwin
AnlytcPhil@aol.com</pre>