Calculus - Cubic Functions 'Turning Point Method' Revision | G12 Mathematics | SEPT 2019 | 2 of 3

Hello Buddies,

In this video, I share with you the second type of cubic function interpretation. If you have not watched video 1 of cubic functions, please watch that one first so you can also get the method I shared in it.

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Please explain why u didn't substitute with values of (2;10).🤷‍♂️...would it affect my equation if i substitute with (2;10) when we wanna prove that a=3/2 and b=6.🤷‍♂️??