Vault Of Euclid

Solving a Logarithmic Equation with the Product and Power Rules

Logarithmic and exponential functions warmup

Solve the equation \( 3 \ln x = \ln 3x \) for \( x \).
algebracalculusdomain-of-logarithmequation-solvinglogarithmic-equationsnatural-logarithmprecalculusproperties-of-logarithmstranscendental-functions

The solution and a full step-by-step explanation are here. Sign in to read them.

What you need first

What this problem tests

Tests the ability to apply logarithmic identities (product and power rules) and to recognize domain restrictions when solving equations.

This is a standard precalculus or early calculus problem designed to test familiarity with the algebraic properties of logarithms.

More on Logarithmic and exponential functions