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OpenStudy (chrisplusian):
Help with another infinite series please? ;p
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OpenStudy (chrisplusian):
\[\sum_{n=1}^{\infty}(-1)^{n+1}\] to determine convergence or divergence
OpenStudy (dan815):
hahahaha
OpenStudy (chrisplusian):
@dan815 ????
OpenStudy (dan815):
CONVERGES but undeterminant where it converges to
OpenStudy (dan815):
actually wait maybe i shudnt say it converges
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OpenStudy (dan815):
it doesnt diverge!
OpenStudy (chrisplusian):
how did you decide it converges? I was thinking alternate series test but then what is the a sub nth term?
OpenStudy (dan815):
it keeps osscilating between -1,0,1
OpenStudy (dan815):
ya alternating series
OpenStudy (anonymous):
CAN someone help me wiht my question please
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OpenStudy (dan815):
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