public static void DerivativeAndPrintTest() { Console.WriteLine("########## PART 5 ############"); Console.WriteLine(); int[] coefficientsOne = { 4, -5, 1 }; var polyOne = new Polynomial(coefficientsOne); Console.Write("Polynomial: "); polyOne.ToString(); Console.Write("Derivative: "); polyOne.Derivative().ToString(); int[] coefficientsTwo = { 1, 1, 0, 1 }; var polyTwo = new Polynomial(coefficientsOne); Console.Write("Polynomial: "); polyTwo.ToString(); Console.Write("Derivative: "); polyTwo.Derivative().ToString(); }