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Strange Laplace Transform in 6.0


Hi,

just have a look at this:

Mathematica 5.2:

In[3]:=
 LaplaceTransform[Exp[x^2]*Exp[a*x],x,s]

Out[3]=
\!\(1\/2\ \[ExponentialE]\^\(\(-\(1\/4\)\)\ \((a - s)\)\^2\)\ \@?\ 
Erfi[1\/2\ \
\((\(-a\) + s)\)]\)


Mathematica 6.0:

In[1]:= LaplaceTransform[Exp[x^2]*Exp[a*x], x, s]
Out[1]= \[ExponentialE]^x^2/(-a + s)


Why does 6.0 give this result? Am I missing something?



Regards,

C. Seja






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