Match the equation with the surface it defines.
+ 
= 
A. Figure 2
B. Figure 4
C. Figure 1
D. Figure 3
Answer: C
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Plot the curve of the given polar equation in polar coordinates.r = 
A. 
B. 
C. 
D. 
By calculating an appropriate number of terms, determine if the series converges or diverges. If it converges, find the limit L and the smallest integer N such that 
for 
otherwise indicate divergence.an = 16461/n
A. diverges B. L = 0, N = 1656 C. L = 1, N = 1656 D. L = 1, N = 745
Multiply and simplify.
? 
A. m + n
B. 
C. 
D. 
Solve the problem.The number of turns N required in a solenoid of length l (in m) is given by N = 
,where L represents inductance (in appropriate units), ? is a constant, and A represents cross-sectional area (in square meters). If 
and 
/> find the number of turns required, to the nearest whole turn. A. 4400 turns B. 10 turns C. 500 turns D. 250,000 turns