What is the derivative of f(x)=xlnx−lnxx? Calculus Basic Differentiation Rules Sum Rule 1 Answer Sarmad C. Nov 11, 2015 0. Explanation: xlnx=lnxx Hope that helps, Cheers. Answer link Related questions What is the Sum Rule for derivatives? How do you find the derivative of y=f(x)+g(x)? How do you find the derivative of y=f(x)−g(x)? How do you differentiate f(x)=1x+1x3 using the sum rule? How do you differentiate f(x)=x+x−2x using the sum rule? How do you differentiate f(x)=x2−x−x(x−1) using the sum rule? How do you differentiate f(x)=x3−x2+4x−1 using the sum rule? How do you differentiate f(x)=sinx+cosx−x3 using the sum rule? How do you differentiate f(x)=x+lnx2−x2 using the sum rule? How do you differentiate f(x)=1sinx−secx+tanx using the sum rule? See all questions in Sum Rule Impact of this question 4530 views around the world You can reuse this answer Creative Commons License