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# Is 2log(-5) defined ?.explain?

Vijay Mukati
5 years ago
Dear Student, By the defination of the lograthmic, the log function is not defined for the negative values of input variable. i.e. the domain for the log function is the non-negative real numbers. Thanks.
Aakash
110 Points
5 years ago
$2\log (-5)$ $is$ $not$ defined as input is -ve
But  $\log ((-5)^{2})$ is defined as input is +ve

And also  $2\log (-5) \neq \log ((-5)^{2}) = \log (5^{2})) = 2\log(5)$
manmath
49 Points
5 years ago
By the defination of the lograthmic, the log function is not defined for the negative values of input variable. i.e. the domain for the log function is the non-negative real numbers. Thanks.