【非選題】 8. Let T = (V,E) be a complete m-ary tree of height h. This tree is called a full m-ary tree if all of
its leaves are at level h. If T is a full m-ary tree with height 7 and 279,936 leaves, how many internal
vertices are there in T?
2. (13%) Consider the following system of differential equations:
with initial conditions x1 (0) = x2(0) = 0. The external forcing function u(t) is as
follows
See Figure 1 for an illustration.
【題組】(2.1) (10%) Find the corresponding response y(t).
31. What is the action mechanism of beta blockers for prophylaxis of angina pectoris?
(A) reduction of end-diastolic ventricular volume
(B) blockade of exercise-induced tachycardia
(C) shortened ventricular ejection time
(D) increase in double product