If two matrices A and B have the same characteristic polynomials, then they must be similar.

L16 - 2 If s = f(t)ihepsinfapailmoigi aait line, then ex. Suppose the position of a particle is given by s = f(t)=2 t − 15t +22 4 t, where t is measured in seconds and s in feet. a) Find the velocity of the particle at any time t. b) Find the velocity at t =3s ons. c) When is the particle at rest d) When is the particle moving in a positive direction