Having previously determined the derivative of ln(x), we now have that at our disposal to show one perspective of the product and quotient rules of differential calculus. A quick excursion to “implicit differentiation land” and a review of the chain rule will set things up nicely to meet our objectives here.
Product and Quotient Rules
Modified Product Rule
Thanks for reading.
samuelson mathxp 
[…] If you would like to waste a minute or two, feel free to click on this link to change “h”. For another perspective on the product and quotient rules, click here. […]