the sage command
var('x alpha beta Lambda mu')
f(x) = ( x^beta )^( (mu - Lambda) / ( mu -2)) * x ^ ( alpha - beta + 4)
f(x).simplify()
does not give the correct answer g(x)
alpha_x = ((x*f.diff(x)/f).simplify_full()).factor()
g(x) = x^alpha_x
does anyone know why ?
thank you
Philippe