George Mason University, Department of Mathematical Sciences

### ELEMENTARY DIFFERENTIAL EQUATIONS brought to you by Dr. Harbir Lamba

The grades have now been posted. Have a good break.

The homework questions for the semester are:

Section 1.1: 1,7,9,11,13,15,17,22,25 Solutions

Section 1.2: 1,2,5,6,9,15 Solutions

Section 1.3: 1,4,9,13,14,17,20 Solutions

Section 2.1: 16,28,30,32,33 Solutions

Section 2.2: 6,22,25 Solutions

Section 2.3: 2,10,12,24 Solutions

Section 2.4: 3,8,14,21,24,25,26 Solutions

Section 2.5: 3,7,9,17a Solutions

Section 2.6: 6,7,16,26,32 Solutions

Section 3.1: 6,12,17,23,27 Solutions

Section 3.2: 11,2,6,13,16,18,26 Solutions

Section 3.3: 2,5,6,12,21,29,36 Solutions

Section 3.4: 7,12,27,41 Solutions

Section 3.5: 1,7,13,19a,23 Solutions

Section 3.6: 2,5,17 Solutions

Section 5.1: 5,10,13,17,28 Solutions

Section 5.2: 2,8,19,21 Solutions

Section 5.3: 3,7,13,20 Solutions

Section 6.1: 2,4,5,8,15,25,26 Solutions

Section 6.2: 4,6,7,22,28,29,31 Solutions

Section 6.3: 4,15,17,21,32,37 Solutions

Section 6.4: 4 Solutions

Section 6.5: 2,5,13a Solutions

Section 6.6: 5,8,11,14 Solutions

Section 7.1: 2,3,6,7 Solutions

Section 7.2: 1,4,6a,7e,8,10,20,22,25 Solutions

Section 7.3: 2,3,7,8,13,14,16,29,31 Solutions

Section 7.4: 4,5,7 Solutions

Section 7.5: 3,10,11,17,19,23,29 Solutions

Section 7.6: 3,6,7,20ab Solutions

Section 7.7: 3,11,17 Solutions

Section 7.8: 3,15,17 Solutions