Mathematics 255 - Spring 2017
Homework
Problems 2-7: 1, 2, 3, 4
Also: Solve the following equations:
$yy'' + (y')^2 = 0$
$xy'' = y' + (y')^3$
Answers:
$y^2 = c_1x + c_2$
$x^2 + (y - c_2)^2 = c_1^2$