March 31st, 2011, 05:04 PM  #1 
Member Joined: Jan 2010 Posts: 82 Thanks: 0  infinite series#2
I've been banging my head against the wall on this one, mainly because I feel like I'm very close. I factored a 4 out of the bottom and then factored the denominator into two nonreduceable polynomials. aside#1  from there I factored out onehalf from each poly and used partial fractions to cogitate: this means we have does this mean that we can say If so, how can we proceed? I'm not really sure if I have the tools to solve from here or perhaps I've just made a fundamental error that's leaving me exasperated, but I've thought about this quite a bit without much success. This is a take home quiz, so please don't solve this for me. thanks, Brad 
March 31st, 2011, 05:34 PM  #2 
Member Joined: Jan 2010 Posts: 82 Thanks: 0  Re: infinite series#2
ugh. my partial fraction was wrong. it should have been this solves most of my problem. b 
March 31st, 2011, 05:53 PM  #3 
Member Joined: Jan 2010 Posts: 82 Thanks: 0  Re: infinite series#2
it helps to spend 15 minutes away from something. It's solved. I'll post the answer in a bit for anyone else who's sadistic enough to be curious about my (fundamentally unsound) mistakes. b 
March 31st, 2011, 06:46 PM  #4 
Member Joined: Jan 2010 Posts: 82 Thanks: 0  Re: infinite series#2 notice.... 

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