February 19

section covered in text
2.4  Exact Equations (conclusion)

objective

• to be able to recognize exact equations by applying test
• to be able to find a general solution to an exact equation
• to be able to solve an initial value problem of an exact equation

• exact equation
• orthogonal trajectories

solved problems - using key ideas

• applying the test and solving the equation, #9,13,18
• solving initial value problem, #23
• finding general functions, M(x,y), #27
• finding exact equations from non-exact equations
• orthogonal trajectories, #32

announcements
Homework: #2,4,6,8,12,16,22,24,28,33a (due 2/26)
 

QUESTION OF THE DAY

Find the integral

SOLUTION

 

SOLUTION.