www.buymeacoff... Navigate all of my videos at www.tlmaths.com/ Like my Facebook Page: / tlmaths-1943955188961592 to keep updated Follow me on Instagram here: / tlmaths
Nope, no need for 2nd year differentiation methods here. Expand the numerator to get (x^2 - 6x + 9)/x Then divide through by the x: x - 6 + 9x^(-1) Then differentiate
