Summation notation Write the following power series in summation (sigma)notation.
Solution 49E
Step 1:
We write the general term of the series as follows,
Taking part into consideration, we see
For ,
part =
Taking factorial part into consideration, we see
For , factorial part =
Taking signs into consideration, we see
For , signs varies as
Now, we write the as
Hence we write the series in sigma notation as : .