214 THE LAPLACE TRANSFORM [CHAP. 21
21.7. Find
Using Eq. (21.1) and integration by parts twice, we obtain
(See also entry 8 in Appendix A.)
21.8. Find the Laplace transform of ( x ) =
f
21.9. Find the Laplace transform of the function graphed in Fig. 21-1.
Fig. 21-1