Services & Resources / Wolfram Forums
MathGroup Archive
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 1998

[Date Index] [Thread Index] [Author Index]

Search the Archive

Re: Help please, Agility of Power Series

  • To: mathgroup at
  • Subject: [mg14653] Re: Help please, Agility of Power Series
  • From: "W. K. Bertram" <wkb at>
  • Date: Sat, 7 Nov 1998 02:10:02 -0500
  • Organization: Australian Nuclear Science and Technology Organisation
  • References: <71q8t7$>
  • Sender: owner-wri-mathgroup at

Jerry Huang wrote:

> IF a f(x)= the summation of nx^n from 1 to infinity
> Find the closed form for f(x) by calculating the result of (1+x)*f(x)

Can't do your homework for you, but instead of  (1+x)*f(x)try


  • Prev by Date: Re: I have A Problem
  • Next by Date: Re: EPS file generation, that's compatible with GhostView, and includes all fonts
  • Previous by thread: Help please, Agility of Power Series
  • Next by thread: Re: variation of constant (in ODE)