ln(1) is 0 (in fact logb(1) is zero, whatever the base, b, is because b0 = 1; and when logb(x)=y, this means, by definition, that by = x. In your case b = e, x = 1 and y = 0). You should be able to do the rest.
ln(1) is 0 (in fact logb(1) is zero, whatever the base, b, is because b0 = 1; and when logb(x)=y, this means, by definition, that by = x. In your case b = e, x = 1 and y = 0). You should be able to do the rest.