Mupad simplify Invalid argument of type 2

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Hao Sun
Hao Sun on 8 Nov 2019
Commented: Walter Roberson on 9 Nov 2019
Mupad
simplify((( x^3+a*x+b) -(y^3+a*y+b) )^2/(x-y)^4, OutputType="Proof")
Error: Invalid type of argument number 2.
Evaluating: simplify
what is wrong here???

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Accepted Answer

Walter Roberson
Walter Roberson on 8 Nov 2019
OutputType is an option for the MuPAD function Simplify (capital-S) not for the MuPAD function simplify (lower-case S)
  2 Comments
Hao Sun
Hao Sun on 9 Nov 2019
okay with uppercase S Simplify still gives me the error
Simplify((( x^3+a*x+b) -(y^3+a*y+b) )^2/(x-y)^4, OutputType="proof")
Error: Invalid type of argument number 2.
Evaluating: Simplify
Walter Roberson
Walter Roberson on 9 Nov 2019
It has to be Proof not proof -- I ran into this myself last night.

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