Find the derivative of (x-1)(x-2) from first principle Problem Question Find the derivative of (x-1)(x-2) from first principle Read more articles Previous PostFind the derivative of x^3-27 from first principle Next PostFind the derivative of 1/x^2 from first principle Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment. Δ