tag:blogger.com,1999:blog-2199713305892000913.post1164880307723187756..comments2022-10-23T04:22:23.421-07:00Comments on Magh Maths: Differentiation using first principlesUnknownnoreply@blogger.comBlogger1125tag:blogger.com,1999:blog-2199713305892000913.post-87553517092034256402013-12-17T09:47:51.076-08:002013-12-17T09:47:51.076-08:00but i still dont get how it works with 9-2x^2 or 3...but i still dont get how it works with 9-2x^2 or 3x^2 or2x^2-9x+3 Ellyhttps://www.blogger.com/profile/14242624771557127018noreply@blogger.com