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OpenStudy (anonymous):
Real Analysis Proof If the sequence {a_n} converges to A and there exists n1 such that a_n > 0 for all n>=n1. Prove A>=0
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OpenStudy (anonymous):
I was hinted to use a proof by contradiction, but I can't get my head around the logic of it
OpenStudy (anonymous):
What is n1
OpenStudy (anonymous):
It is not specified, it is just for stating that after a certain n1, all the a_n are positive
OpenStudy (anonymous):
Oh i got it
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