Can you get the log of a negative number?

Can you get the log of a negative number?

You can’t take the logarithm of a negative number or of zero. 2. The logarithm of a positive number may be negative or zero.

Why is there no logarithm of a negative number?

Domain of a function is a set of all the values of x for which that function is defined. Talking of the logarthmic function, the domain of the function is the set of all real numbers which are greater than zero. So, the log of a negative number does not exist.

Can you take the natural log of 0?

What is the natural logarithm of zero? The real natural logarithm function ln(x) is defined only for x>0. So the natural logarithm of zero is undefined.

How do I get rid of negative log?

To rid an equation of logarithms, raise both sides to the same exponent as the base of the logarithms.

How do you do minus logs on a calculator?

FINDING ANTILOGARITHMS (also called Inverse Logarithm) To do this using most simple scientific calculators, enter the number, press the inverse (inv) or shift button, then. press the log (or ln) button.

Can a natural log be negative?

The natural logarithm function ln(x) is defined only for x>0. So the natural logarithm of a negative number is undefined. The complex logarithmic function Log(z) is defined for negative numbers too.

What is the natural log 0?

What is the natural logarithm of zero? ln(0) =? The real natural logarithm function ln(x) is defined only for x>0. So the natural logarithm of zero is undefined.

Why does log (- 1 have no solution?

The log function is used to undo raising something to a power. Just log() has a default base value of 10. or, if we take log(100), we get 2 because 10^2 = 100. So, if you think, “what power does 10 have to be raised to, to get -1”, you will get nothing.

How do you find the natural log of a negative number?

The natural logarithm function ln(x) is defined only for x>0. So the natural logarithm of a negative number is undefined. ln(x) is undefined for x ≤ 0. The complex logarithmic function Log(z) is defined for negative numbers too. For z=r⋅eiθ, the complex logarithmic function: Log(z) = ln(r) + iθ , r >0.

How do you find the natural logarithm of a function?

The natural logarithm function ln (x) is the inverse function of the exponential function e x. f ( f -1 ( x )) = eln (x) = x The logarithm of the multiplication of x and y is the sum of logarithm of x and logarithm of y. The logarithm of the division of x and y is the difference of logarithm of x and logarithm of y.

What is negative logarithm?

Negative logarithm: It means the number of times we divide 1 by the base to achieve the log value. The negative of logy (x) is ylog (1 / x).

How do you find the natural log of X and Y?

The natural log of the multiplication of x and y is the sum of the ln of x and ln of y. The natural log of the division of x and y is the difference of the ln of x and ln of y. The natural log of the reciprocal of x is the opposite of the ln of x. The natural log of x raised to the power of y is y times the ln of x.