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*To*: mathgroup at smc.vnet.net*Subject*: [mg57536] Help*From*: mazin khasawneh <mazin00 at rocketmail.com>*Date*: Tue, 31 May 2005 05:00:29 -0400 (EDT)*Sender*: owner-wri-mathgroup at wolfram.com

Dear Group, I have a 2 coupled differential equations (first order) that need to be solved. They are of the form: a[x]*a'[x] #138;-g[x]*(a[x]-b[x]), z'[x]#138;g[x]*(a[x]-b[x])-(b[x]-298] a[0]== 298,b[0]== 298},{a,b},{x,0.0000000000001,1.0*0.000000001}], now g[x]==Integrate[f[x], {x, a[x], b[x]}] I appreciate if you can help me solve them using Mathematica, i need to do this by Wed. Mazin