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OpenStudy (anonymous):
Determine whether the following series converges or diverges using the integral test.
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OpenStudy (anonymous):
\[\sum_{k=0}^{\infty \infty}\frac{ 1 }{ k^2+4 }\]
OpenStudy (amistre64):
integrate it then
OpenStudy (amistre64):
let k = 2u dk = 2 du and it should arctan up
OpenStudy (anonymous):
How can I show that? Is it also convergent?
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