### Sidebar

#### Welcome to Calculus II

This is the webpage for sections 28 and 31 of Calculus II (Math 226/227).

• Section 28: MWF 9:40–11:10
• Section 31: MWF 11:20–12:50

My help room hours: Tue 11–12, Wed 3-5pm.

Here are the help room schedules. The general course syllabus is here, and here is the addendum to the syllabus.

#### Announcements

The fifth quiz will be on Wednesday, March 1st. It will cover the following, with significant emphasis on “Improper” integrals:

• WebAssign Assignment 10: “Integration Techniques” (7.1 - 7.4),
• WebAssign Assignment 11: (Section 6.8 - “Improper” Integrals)
• The arclength formula: The arclength of the curve $y = f(x)$, $x \in [a,b]$ is

$\int_a^b \sqrt{1 + \left(\frac{dy}{dx}\right)^2} dx$ …assuming that $f(x)$ is smooth.