Question 1
Find two values of r such that y = x
r is a solution of x
2y" - 9xy' - 24y = 0, x > 0.
◦ r = -12, 2
◦ r = -6, -4
◦ r = 12, -2
◦ r = -8, 3
◦ r = 6, 4
Question 2
State the order of the following differential equation and whether it is linear or nonlinear:
yy' = 1.
◦ 2nd order; linear
◦ 1st order; linear
◦ 2nd order; nonlinear
◦ 1st order; nonlinear
◦ None of the above