Question: Keeping negative powers?

If I have a univariate in negative powers , say,  a*x^(-1) + b*x^(-2), maple will expand this expression as

a/x+b/x^2

how can I prevent maple from converting negative powers to explicit division in 1D / 2D - Output, i.e. I want to keep the polynomial displayed as

a*x^(-1) + b*x^(-2)

?

 

 

 

 

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