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2.6 Expression Manipulation • 35Argumentpolynomexp, expln, expsincosparfracrationalradians, degreesset, list, listlisttemperatureunitsTable 2.3 Common ConversionsDescriptionseries to polynomialstrigonometric expressions to exponential formrational expressions to partial fraction formfloating-point numbers to rational formbetween degrees and radiansbetween data structuresbetween temperature scalesbetween unitsA :=[ ] a bc d> convert(A, ’listlist’);[[a, b], [c, d]]> convert(A, ’set’);{a, b, d, c}> convert(%, ’list’);[a, b, d, c]The normal CommandThis command transforms rational expressions into factored normalform,numeratordenominator ,where the numerator and denominator are relatively prime polynomialswith integer coefficients.> rat_expr_2 := (x^2 - y^2)/(x - y)^3 ;