Practice for Math 20D Winter 2012 Final
1. For each dierential equation, compute the rst four non-zero terms of the series expansion
of two linearly independent solutions y1 and y2 centered around the given point x0 .
(a) y + x2 y = 0, x0 = 0
Dear Fellow Pilot,
Welcome to the Flight Review (formerly known as the biennial flight review). I thank
you for the opportunity to earn your business. This flight review outline will help you
not only accomplish the objective required by the