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Slimsta
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Homework Statement
Determine whether the series [PLAIN]http://img265.imageshack.us/img265/69/44751948.jpg converges or diverges and find its sum S if it does converge.
Homework Equations
The Attempt at a Solution
my textbook has lots of weird examples but none of them help me understand how to solve this one..
if i plug in 1 then 2 then 3... i get
ln(1.5) + ln(1) + ln (7/8) +...+ln((2n+1)/(3n-1))
so a = ln(1.5)
r = ?
then i use the formula: a / (a-r)
right? now how do i find r?
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