Solve the problem.The equation ?2 = tan-1 (?C/G) gives the phase angle of impedance in the parallel portion of a distributed constant circuit. Find ?2 if 
ond, 
and 
A. 89.7°
B. 1.5°
C. 88.5°
D. 85.9°
Answer: D
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Solve the problem.Find the slope of the tangent to the curve of the intersection of the surface 2z = 
and the plane x = 1 at the point 
A. 
B. 
C. 
D. 
Determine if the given function y = f(x) is a solution of the accompanying differential equation.Differential equation: y' = e- 5x - 5yInitial condition: y(0) = 0Solution candidate: y = 5xe- 5x
A. No B. Yes
Solve the problem.Assume that the seed triangle of the Sierpinski ternary gasket has area A = 2. Find the area of the
obtained in Step 3 of the construction.
A. 
B. 
C. 
D. 
E. 
Find the center, foci, and vertices of the ellipse.
+ 
= 1
A. center at (0, 0)
foci at (0, 8) and (2, 0)
vertices at (0, 64), (4, 0)
B. center at (0, 0)
foci at (- 2
, 0) and (2
, 0)
vertices at (-8, 0), (8, 0)
C. center at (0, 0)
foci at (0, -8) and (0, 8)
vertices at (0, -64), (0, 64)
D. center at (0, 0)
foci at (0, - 2
) and (0, 2
)
vertices at (0, -8), (0, 8)