Math 125 Discussion 29: Tuesday Dec 4, 2007

0. Announcements:

Hwk #10 is due Thursday, December 6! Hwk # 10. Pg 269 15,21,35,45,47,49,51,53, 5 pts Bonus: 78!!!

Instsructions for Hwk 10: All the answers are in the text. To receive any credit you must:

write down u =

write down du =

Express the integral in the form ∫f(u) du and integrate.

Rewrite the answer in terms of x.

1. DDFD's # 28

2. Integration by substitution, or change of variable integration.

a. Find u

b. Find du

c. Make substitution

d. Integrate

e. Rewrite as a function of x.

T 11-6

4.5 Integration by Substitution

7-21,33-58, 69-75, 89-91

3. Up next:

Heavy duty drill on exponential & log,

Heavy duty substitution

Th 11-8

4.7 Integration of du/u

1-25

Th 11-15

4.8 Integration involving inverse trig functions

4.8 1-33