Exercise 2.7.17

Answers

The auxiliary polynomial is $t^{2} + \frac{k}{m}$ . So the general solution is

y (t) = C_{1} \cos t \sqrt{\frac{k}{m}} + C_{2} \sin t \sqrt{\frac{k}{m}}

for some constants $C_{1}$ and $C_{2}$ by Exercise 2.7.8.

jephianlin

2011-06-27 00:00