Find the indicated value of the logarithmic function Find th

Find the indicated value of the logarithmic function.

Find the indicated value of the logarithmic function. ln (e^-5)

Solution

Let ln(e^-5) =y

Now using exponential property : ln(x) = a ----> x = e^a

So,  ln(e^-5) =y ---> e^-5 = e^y

With same base on both sides we can equate the exponents:

So, -5 = y

y =-5 ( Ans)