## Lecture Notes: Wednesday, September 23, 1998

Third Homework
Assignment - for discussion at recitations the week of Sept 28.

### Chapter 3 Section 3 (The Chain Rule)

- Review notion of composition of functions
- State the chain rule: d(f(g(x))/dx = f'(g(x))*g'(x)
- Examples
- (x^4 + 3*x^2)^(1/2)
- sin(x^2)
- sin((1 - x + x^4)^(-1/2))
- Problem 3.3 #67
- Others as time permits.

Brief Review of topics covered in Chapters 1 and 2

For exam, review diagnostic quiz (except problems on integration),
review all assigned homework (especially core problems), and review
MAPLE syntax.

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