Question 71142: I need help with a natural log equation:
4ln x - ln 2 = ln 128 (I know the answer is 4, can you show me the steps)
Thanks Found 2 solutions by Earlsdon, stanbon:Answer by Earlsdon(6294) (Show Source):
You can put this solution on YOUR website! Solve for x: Apply the power rule to the first term: Now apply the quotient rule for logarithms to the left side. Remembering that Ifthen, you can write: Multiply both sides by 2. Take the 4th root of both sides.