Rule 5: logkk Use this rule when the base of the log is the same as the argument. Here's an example:   This makes sense, because when you find a log, you're just finding the exponent of 3, which here is an invisible '1'. Let's move on to rule 6: logkkn  INTRO |   RULE 1: Product Rule   |   RULE 2: Quotient Rule   |   RULE 3: Power Rule   |   RULE 4: loga1 RULE 5: logkk   |   RULE 6: logkkn   |   RULE 7: blogbk   |   PRACTICE 1   |   PRACTICE 2 Resources Content, HTML, graphics & design by Bill Willis 2023