SOLUTION: Evaluate: 1- 1/5 + 1/25 - 1/125+...

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Question 1082581: Evaluate:
1- 1/5 + 1/25 - 1/125+...
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+T%5Bn%5D+=+%28+-1%2F5+%29%5E%28+n-1+%29+
where n = 1,2,3,4 . . .
So, the 4th term should be:
+T%5B4%5D+=+%28+-1%2F5+%29%5E3+
+T%5B4%5D+=+-1%2F125+