Incomplete or Garbage Result When trying to Integrate.

[BrettKnoss]

Using Julia 1.10.0 on an M1 mac with BigSur, I get a garbage result for

Using Sybolics
Using SymbolicNumericIntegration

@variables x a

E(x)=(x^(3/2)/a^2)*exp(-(x/(2*a^2))) # the function provided
F(X)=integrate(E(x^2),(x,0,Inf);symbolic=true , detailed=false)
print(F(x))

should give 2a but instead gives: