Therefore,
......................................................(1.75)
In the same manner if we compute for 
and 
we can write,
.......(1.76)
This can be written as,
Therefore,......................................................(1.75)
In the same manner if we compute for and we can write,
.......(1.76)
This can be written as,
| Mathematical Fundamentals |
|
 ......................................................(1.77) |
