EGR 265, TEST III 1

EGR 265, Math Tools for Engineering Problem Solving

April 17, 2013, 50 minutes

TEST III

Name: ..........................................

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Total

EGR 265, TEST III 2

Problem 1 (9+9 points)

(a) Let f(x, y) = ln(x2+y2). Find its partial derivatives fxand fxy.

(b) Find the gradient of g(x, y, z) = xsin(yz).