SOLUTION: how do I find the answer to Log(base 1/2)4?

Question 362034: how do I find the answer to Log(base 1/2)4?
Found 2 solutions by Fombitz, Alan3354:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

By definition,

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
You can always use the base change:
= log(4)/log(1/2)
= -2

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