SOLUTION: why isn't ln(12 + x) = (ln12)(lnx), What is the rule that disproves this.
Thanks
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Question 316967: why isn't ln(12 + x) = (ln12)(lnx), What is the rule that disproves this.
Thanks
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
There is no rule to disprove it but there clearly isn't a rule that proves it.
You only need one example to disprove it.
Example: doesn't work since is undefined but yet ln(12) is defined.
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is the only rule that really works.
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