How do you find the second derivative of #y=lnx#?
1 Answer
Jan 3, 2017
Explanation:
We have
#y = ln x#
So, the fist derivative is a really important calculus result
#dy/dx = 1/x#
And thesecond derivative we get from the power rule:
#(d^2y)/(dx^2) = -1/x^2 #