Re: Summation without Mathematica
- To: mathgroup at smc.vnet.net
- Subject: [mg27457] Re: Summation without Mathematica
- From: "Allan Hayes" <hay at haystack.demon.co.uk>
- Date: Sun, 25 Feb 2001 20:56:07 -0500 (EST)
- References: <97a7hg$al7@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Sum[x^3(7/8)^x,{x,1,Infinity}]
18872
--
Allan
---------------------
Allan Hayes
Mathematica Training and Consulting
Leicester UK
www.haystack.demon.co.uk
hay at haystack.demon.co.uk
Voice: +44 (0)116 271 4198
Fax: +44 (0)870 164 0565
" mrtommorris" <mor3752 at alltel.net> wrote in message
news:97a7hg$al7 at smc.vnet.net...
> Can someone help me to evaluate the sum from x=1 to infinity for the
> expression x^3(7/8)^x. I know the formulas that will evaluate either
alone.
> But the product is giving me difficulty.
>
>
>