Math 251 - Multivariable Calculus. Section H1. Fall 2009.
Homework assignments
Read the following description of how to present your work.
HW 1:
Reading:Sections 12.1 through 12.2
This article on Presenting Your Work
Problems:
12.1: 5, 9, 11, 15, 21, 40, 47
12.2: 11, 13, 19, 25, 27, 31, 51
HW 2:
Reading:Read sections 12.3 through 12.5 and skim through 12.6
Web Demonstrations:
Play around with the following applets
Quadric Surfaces
Cross Products
Problems:
12.3: 1, 13, 21, 29, 31, 52, 57, 63
12.4: 1, 5, 13, 20, 25, 26, 43, 44
12.5: 1, 9, 11, 15, 25, 31, 53
12.6: 27, 28, 29
HW 3:
Reading:Sections 13.1 through 13.5
Web Demonstrations:
Play around with the following applets
Curves and tangent vectors
Velocity vector
More velocity vectors
Curvature of a curve in 2D
Curvature of a curve in 3D
Derivative of a curve
Problems:
13.1: 5, 13, 15, 18
13.2: 4, 14, 30, 31, 33, 41, 49
13.3: 3, 9, 13, 14
13.4: 1, 7, 17, 21
13.5: 3, 6, 32
HW 4:
Reading:Sections 14.1 through 14.4
Web Demonstrations:
Play around with the following applets
Planes
Functions of two variables
Level curves
Partial derivatives
Tangent planes
Problems:
14.1: 7, 20, 23, 27, 36, 40
14.2: 5, 15, 27, 35
14.3: 3, 19, 21, 39, 47, 50, 53
14.4: 3, 4, 7, 15, 27, 33
HW 5:
Reading:Sections 14.5, 14.6 and 14.7
Web Demonstrations:
Play around with the following applets
Directional derivatives and gradients
Directional derivatives
Problems:
14.5: 7, 13, 27, 31, 33, 37, 39, 43
14.6: 1, 5, 7, 17, 20, 23, 27, 30
14.7: 1, 3, 7, 17, 19, 24, 25, 27, 29
HW 6:
Reading:Sections 14.8 and 15.1
Web Demonstrations:
Play around with the following applets
Lagrange Multipliers
Estimating Double Integrals
Problems:
14.8: 2, 7, 11, 13, 15
15.1: 10, 15, 23, 25, 33, 37, 44
HW 7:
Reading:Sections 15.2 and 15.3
Problems:
15.2: 3, 5, 11, 25, 32, 37, 43, 45, 49, 59
15.3: 3, 5, 11, 15, 17, 25, 33
HW 8:
Reading:Sections 12.7, 15.4 and 15.5
Web Demonstrations:
Play around with the following applets
Area in polar vs. rectangular coordinates
Change of variables
Spherical coordinates
Change of variables in triple integrals
Problems:
12.7: 1, 5, 23, 31, 41, 43, 48, 53
15.4: 1, 5, 9, 19, 23, 27, 31, 37, 39, 42, 47, 51, 59
15.5: 1, 5, 14, 15, 21, 29, 33, 37
HW 9:
Reading:Sections 16.1 and 16.2
Web Demonstrations:
Play around with the following applets
Line integral of a vector field
Problems:
16.1: 1, 3, 10, 17, 23, 27
16.2: 3, 9, 13, 21, 27, 35, 39, 40
HW 10:
Reading:Sections 16.3 and 16.4
Web Demonstrations:
Play around with the following applets
A parametrized surface
Another parametrized surface
A non-orientable surface
Problems:
16.3: 1, 5, 9, 13, 17, 19, 21
16.4: 1, 5, 8, 11, 19, 21, 37
HW 11:
Reading:Sections 16.5 and 17.1
Web Demonstrations:
Play around with the following applets
Flux across a circle
Flux across a surface
Problems:
16.5: 1, 6, 9, 12, 15, 17, 23
17.1: 1, 3, 6, 9, 12, 23, 27
HW 12:
Reading:Sections 17.2 and 17.3
Problems:
17.2: 1, 5, 9, 11, 19, 23
17.3: 1, 5, 7, 11, 14, 15, 18
Web Demonstrations:
Play around with the following applets
Divergence and Curl
Stokes theorem
The idea of Stoke's theorem
Be sure to check all your answers in the back of the book.

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