how to solve integral equation

*To*: mathgroup at smc.vnet.net*Subject*: [mg55478] how to solve integral equation*From*: mss4 at duke.edu*Date*: Fri, 25 Mar 2005 05:48:19 -0500 (EST)*Sender*: owner-wri-mathgroup at wolfram.com

I have a function fcn[x_,b1_,b2_]:= Integrate[Exp[-(b1 x1^3 + b2 x1)],{x1,0,x}] For a given large x, and a given b2, I need to solve fcn[xlarge,b1,b2given]==1 for b1. Any help would be greatly appreciated. Matt

**Follow-Ups**:**Re: how to solve integral equation***From:*"Janos D. Pinter" <jdpinter@hfx.eastlink.ca>