What is the derivative of ln(2x+5)? Calculus Basic Differentiation Rules Chain Rule 1 Answer A. S. Adikesavan Jul 7, 2016 2/(2x+5) Explanation: If y=ln u, y'=(1/u)u'. So, here, (ln(2x+5))'# =1/(2x+5)(2x+5)'. =2/(2x+5). Answer link Related questions What is the Chain Rule for derivatives? How do you find the derivative of y= 6cos(x^2) ? How do you find the derivative of y=6 cos(x^3+3) ? How do you find the derivative of y=e^(x^2) ? How do you find the derivative of y=ln(sin(x)) ? How do you find the derivative of y=ln(e^x+3) ? How do you find the derivative of y=tan(5x) ? How do you find the derivative of y= (4x-x^2)^10 ? How do you find the derivative of y= (x^2+3x+5)^(1/4) ? How do you find the derivative of y= ((1+x)/(1-x))^3 ? See all questions in Chain Rule Impact of this question 12489 views around the world You can reuse this answer Creative Commons License