find x: e^(3x-9) = 8

use rules: ln e^x = x*ln(e) and ln(e) = 1. find natural log of each side: (3x-9)ln(e)=ln(8). rearrange: x= (ln(8)+9)/3

BY
Answered by Benjamin Y. Maths tutor

7286 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

find dy/dx of x^1/2 + 4/(x^1/2) + 4


What is differentiation and how do I do it?


Of the following 4 equations, 3 of them represent parallel lines. Which is the odd one out?


Differentiate the equation y = x^2 + 3x + 1 with respect to x.


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences