Question 758874: why is it necessary to check the solutions of a logarithmic equation.
Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! why is it necessary to check the solutions of a logarithmic equation.
Because arguments of logarithms>0, that is, if the solution makes any of the arguments≤0, the solution is rejected. Example: log(x-5), x>5
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