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EEintraining
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Homework Statement
Ʃ n/e^n converge or diverge
Homework Equations
The Attempt at a Solution
I got this down to an improper integral using the integral test but I am weak at L'Hospitals rules and I was wondering if someone could help me out
I have
[itex]\int n/e^n[/itex] from 1 to infinity
down to
Limit b to infinity ne^n - e^n |from 1 to b
this gives me infinity - infinity so time for L'Hospitals ( forgive my spelling)
I know to divide by the recripical of either one but I get stuck from there