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Re: transposing an equation


Hi,

Solve[y==a x^2 + b x +x,x]

?

InverseSeries[a  x^2 + b  x + c + O[x]^3, y]

General it is not possible for an exact polynom to revert
the equation y= a x^2+b*x+c into
x=A*y^2+B*y+C.

Regards
  Jens

Christopher Deacon wrote:
> 
> Suppose y=a x^2+b x +c.
> 
> How can I get Mathematica to solve for x (i.e., x=Ay^2+By+C) and give me the
> values for the constants A,B,C?
> 
> Chris


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