How do you find the indefinite integral of int 3^x? Calculus Introduction to Integration Integrals of Exponential Functions 1 Answer t0hierry Jan 31, 2017 3^x/(ln 3) Explanation: 3^x = e^(x ln 3) so int 3^x dx = int e^(x ln 3) dx = e^(x ln3)/(ln 3) = 3^x/(ln 3) - Answer link Related questions How do you evaluate the integral inte^(4x) dx? How do you evaluate the integral inte^(-x) dx? How do you evaluate the integral int3^(x) dx? How do you evaluate the integral int3e^(x)-5e^(2x) dx? How do you evaluate the integral int10^(-x) dx? What is the integral of e^(x^3)? What is the integral of e^(0.5x)? What is the integral of e^(2x)? What is the integral of e^(7x)? What is the integral of 2e^(2x)? See all questions in Integrals of Exponential Functions Impact of this question 2933 views around the world You can reuse this answer Creative Commons License