MATH 21
Lecture Notes

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Section 1.1
Section 1.2 
Section 1.3 
Section 2.1 
Section 2.2 
Section 2.3 
Section 2.4 
Section 3.1
Section 3.2 
Section 3.3 
Section 3.4 
Section 4.1 
Section 4.2 
Section 4.3 
Section 6.1 
Section 6.2  revised 3/20/07 (some new stuff here, like solution to problem 34 in 6.2)
Section 7.1  1st draft  (and last, sorry, out of gas)
Section 7.2  1st draft                     "
Section 7.3  1st draft                     "

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