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Mathematics
OpenStudy (anonymous):

alternating series (-1)^(n)*(n/10^n) from n equals 1 to infinity. can someone show me the right way to find if it is convergent or divergent. thanks.

OpenStudy (anonymous):

Did you try the divergency test?

OpenStudy (anonymous):

Actually, it looks like the divergence test doesn't work here.

OpenStudy (anonymous):

So, we need to try something else.

OpenStudy (anonymous):

This might be a combo of the comparison test and the alternating series test.

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