(b) Harder Core 1 Differentiation (Intersecting points for 2 unkowns a and b) q13
These videos are designed for pre exam prep. The assume a strong understanding of the topic and do not spend time with basics. If you are new to the topic the playlist below is designed to cater for those needs: http://www.youtube.com/playlist?list=PL2C094DD563A031A2
Length:
03:51