Not sure how to go abou this.. Any help?
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This series looks like a geometric series... Does it help ?
Aha! Thank you, I got it
How did you do it? It looks like it might involve cosh (does it?).
Originally Posted by Showcase_22 How did you do it? is a geometric series (common ratio : ) hence
ahh, i'm clearly getting a bit rusty after my exam. Thanks!
Originally Posted by Showcase_22 How did you do it? It looks like it might involve cosh (does it?). It would, if there were in the denominator
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