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Correspondingly, why can't you ln a negative number?
If you raise a negative number to apositive number that's not an integer, but instead afraction or a decimal, you might end up with a negativenumber underneath a square root. So in summary, because thebase can only be a positive number, that means the argumentof the logarithm can only be a positive number.
Additionally, what is the natural log of negative infinity? Natural logarithm rules and properties
|ln of negative number||ln(x) is undefined when x ≤ 0|
|ln of zero||ln(0) is undefined|
|ln of one||ln(1) = 0|
|ln of infinity||lim ln(x) = ∞ ,when x→∞|
Additionally, what does negative log mean?
Negative Logarithms A negative logarithm means how many times todivide by the number. We can have just one divide: Example: What islog8(0.125) ? Well, 1 ÷ 8 = 0.125, Solog8(0.125) = −1.
What is the value of ln 0?
The real natural logarithm function ln(x) isdefined only for x>0. So the natural logarithm of zero isundefined.