1. The problem statement, all variables and given/known data y = ((x)^−1) (e^−x) 3. The attempt at a solution Solving this out i got [(x^-1) - (x^-2)] e^-x however the book is telling me the answer is −(x^−1 + x^−2)e^−x wouldnt that give me (-x^−1 - x^−2)e^−x ?? what did i do wrong??