Here's a typo. It should be h2 = 3(p1 - p0). Several same typos in the following slides.

I think there is also a typo for the derivative at $u_1$ on the graph. I think it should be $3(p_3-p_2)$.

You’re correct. These are new slides and there are some typos.

Here's a typo. It should be h2 = 3(p1 - p0). Several same typos in the following slides.

I think there is also a typo for the derivative at $u_1$ on the graph. I think it should be $3(p_3-p_2)$.

You’re correct. These are new slides and there are some typos.