SOLUTION: Hi! I'm stuck on this question ∞ Σ (-1)x 1 It's sigma sign with infinity sign on the top, 1 on the bottom and (-1) to the power of x on the side. I have no idea

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Question 825245: Hi! I'm stuck on this question

Σ (-1)x
1
It's sigma sign with infinity sign on the top, 1 on the bottom and (-1) to the power of x on the side. I have no idea how to work it out so your help would be greatly appreciated. Thank you!

Answer by tommyt3rd(5050)   (Show Source): You can put this solution on YOUR website!
take a look at the terms:
1-1+1-1+1-1+...
it oscillates - so it is divergent

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