L O.

asked • 04/25/14

help finding infinite series

 
 
how do I find the sum of the follwoing infinite series.  Please show work/steps:
 
  1.  1/2 + 1 + 2 + 4 ........
 
  2.  9-3 + 1 - 1/3 + 1/9 ......
 
  3. How do I write the first three terms of the expansion of (a-b)^6
 
 4.  how do I find the last three terms of (a - b)^7
 
 
thanks

1 Expert Answer

By:

Stanton D. answered • 04/28/14

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