#1**+8 **

Best Answer

there are no natural logarithms for negative numbers.

the only way it will work is if you use an imaginary number.

Example:

$${{log}}_{{\sqrt{-{\mathtt{1}}}}}{\left(-{\mathtt{1}}\right)}$$ which is 2, since $${{\sqrt{-{\mathtt{1}}}}}^{\,{\mathtt{2}}} = -{\mathtt{1}}$$

Guest Sep 23, 2014