MathGroup Archive 1999

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Re: M.U.C.

  • To: mathgroup at smc.vnet.net
  • Subject: [mg20613] Re: [mg20595] M.U.C.
  • From: BobHanlon at aol.com
  • Date: Thu, 4 Nov 1999 02:13:29 -0500
  • Sender: owner-wri-mathgroup at wolfram.com

eqn = E^(-2 x)(-3 + 10 b - x + 6 a(1 + 5 x)) == 0;

SolveAlways[eqn, x]

{{a -> 1/30, b -> 7/25}}

Bob Hanlon

In a message dated 11/2/1999 6:55:32 AM, roscoe at hazardcounty.org writes:

>How can Mathematica solve the following Linear Operator for a and b?
>(E^(-2 x)((-3) + 10 b - x + 6 a(1 + 5 x)) == 0
>
>By hand it would be :
>(-3+10b+6a)=0
>(-1+30a)=0
>
>a=1/30
>b=whatever
>
>I need mathematica to group the coeeficients of x^0 and x^1, set them equal
>to 0 and solve.
>I am trying to avoid doing the gruoping by hand.  Thanks.
>


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