Summation without Mathematica
- To: mathgroup at smc.vnet.net
- Subject: [mg27416] Summation without Mathematica
- From: " mrtommorris" <mor3752 at alltel.net>
- Date: Sun, 25 Feb 2001 00:53:39 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
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.