What is the natural logarithm of one.
ln(1) = ?
The natural logarithm of a number x is defined as the base e logarithm of x:
ln(x) = loge(x)
ln(1) = loge(1)
Which is the number we should raise e to get 1.
e0 = 1
So the natural logarithm of one is zero:
ln(1) = loge(1) = 0