Find 
. Write the answer in polar form with the argument between 0° and 360°z1 = 1 + i, z2 = 1 - 
i
A. 
(cos 105° + i sin 105°)
B. 
(cos 105° + i sin 105°)
C. 
(cos 15° + i sin 15°)
D. 
(cos 15° + i sin 15°)
Answer: A
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at (u,v) = (3, 1) for the function w(x, y) = xy - y2; x = u - v, y = uv.
A. 2 B. 5 C. 4 D. -1
Solve the problem.Assume the cost of a car is $21,000. With continuous compounding in effect, find the number of years it would take to double the cost of the car at an annual inflation rate of 6.2%. Round the answer to the nearest hundredth.
A. 160.52 yr B. 1.61 yr C. 11.18 yr D. 171.70 yr
Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.(1 - 
) (1 - 
) . . . (1 - 
) = 
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Use a determinant to find an equation of the line passing through the points. ? (0, 0), (3, 5) ?
A. 3x - 5y = 0 B. 5x - 3y = 5 C. 5x - 3y = 0 D. 5x + 3y = 3 E. 5x + 3y = 0