MATH 31B

Integration and Infinite Series

Description: Lecture, three hours; discussion, one hour. Requisite: course 31A with grade of C- or better. Not open for credit to students with credit for course 3B. Transcendental functions; methods and applications of integration; sequences and series. P/NP or letter grading.

Units: 4.0
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Overall Rating N/A
Easiness N/A/ 5
Clarity N/A/ 5
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Helpfulness N/A/ 5
Overall Rating 4.5
Easiness 3.8/ 5
Clarity 4.5/ 5
Workload 4.5/ 5
Helpfulness 4.8/ 5
Most Helpful Review
Fall 2025 - This was a very clear, organized class that was probably the best that I took this quarter (as a freshman). I did take AP Calc BC as a high school junior, so I took this as more of a refresher/easier class as my first math class here. Prof. Arant is a very clear lecturer and explains concepts really well. I thought my high school calculus teacher was really good too, but Prof. Arant explains things more. If he is showing a proof for something during lecture, he tells you that you don't need to write it down so you're not wasting your time taking notes on something that is not on the quiz. Actually I don't think my class realized how good he was until we had a sub one day. You do not turn in homework for this class, but you should do it after the lecture so you make sure that you understand the material. The homework is not very long - most can be done definitely under 40-60 mins especially if you just do it the night after or morning after the lecture. Quizzes are very straightforward (only 3 questions) and very similar to the homework. You have 24 hours to do it (from Friday at 8am to Saturday at 8am) and it's on your own time outside of class. You have 30 minutes to complete the quiz and 15 minutes to scan and upload the quiz. This is more than enough time for most of the quizzes. The midterms are during lecture time and pretty similar to homework. Most of the midterm questions are just 4-6 integration/series problems and 3 quick conceptual problems. The 2nd midterm is more difficult than the 1st one. Before the first and second midterms, he posted a worksheet of problems to practice on (the first midterm worksheet had a bunch of integration problems, the second midterm worksheet had series problems). He does not post answer keys to these worksheet problems, so just do as many as you can before the midterm and go to office hours if you want to see a solution to any of the problems. He also hosts extra office hours before midterms and the final as well. His handwriting is very neat and pretty organized during lectures. He also posts notes if you can't make the lecture. Canvas page is very organized by week too. Discussions have worksheets that review content of the course too. My TA was Calvin who did a quick review at the beginning of the discussion, then let us work on the worksheet, then reviewed the problems. He walked around a lot and checked in with pretty much everyone. Overall, a really great professor especially for calculus. Never really had a bunch of homework or work outside of class, except when studying for midterms.
Overall Rating 3.3
Easiness 2.6/ 5
Clarity 2.8/ 5
Workload 2.5/ 5
Helpfulness 2.4/ 5
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