Solve the problem.When a particular circuit containing a resistor, an inductor, and a capacitor in series is connected to a battery, the current i (in amperes) is given by i = 25e-3t(e2.6t - e-2.6t) where t is the time (in seconds). Find the time at which the maximum current occurs.
A. 1.4 s
B. 0.6 s
C. 1.5 s
D. 0.5 s
Answer: D
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Refer to the weighted voting system 
and the Shapley-Shubik definition of power. (The three players are P1, P2, and P3.)Which player in the sequential coalition 
is pivotal?
A. P2 B. P1 C. P3 D. All three players E. none of these
An arch is a semi-ellipse 16 meters wide and 8 meters high. Write the equation of the ellipse if the ellipse is centered at the origin. ?
A. 
B. 
C. 
D. 
E. none of these
Write the first four terms of the sequence defined by the recursion formula.a1 = 3 and an = 4an-1 + 1 for n ? 2
A. 3, 11, 43, 171 B. 3, 13, 53, 213 C. 3, 13, 49, 193 D. 3, 12, 48, 192
DeMoivre's Theorem can be used to find reciprocals of complex numbers. Recall from algebra that the reciprocal of x is 
, which can be expressed as 
.
?
Use this fact, along with DeMoivre's Theorem, to find the reciprocal of the number below.
?
?
?
A. 
B. 
C. 
D. ?
E. 