xynapse2003
New member
- Nov 27, 2009
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sum from 1 to infinity of ((x-2)^n)/(n3^n)
Ok I'm stuck on this one. I start by doing the ratio test.
lim (n --> infinity) | ((x-2)^(n+1))/((n+1)3^(n+1)) / ((x-2)^n)/(n3^n) |
lim (n --> infinity) | (n(x-1))/(3(n+1)) | <------------------This is where I'm stuck. Don't know what to do next. Please explain if you can. Thanks.
Ok I'm stuck on this one. I start by doing the ratio test.
lim (n --> infinity) | ((x-2)^(n+1))/((n+1)3^(n+1)) / ((x-2)^n)/(n3^n) |
lim (n --> infinity) | (n(x-1))/(3(n+1)) | <------------------This is where I'm stuck. Don't know what to do next. Please explain if you can. Thanks.