Use DeMoivre's Theorem to find the indicated power. Write the answer in rectangular form.4

A. -  + i
B. -  - i
C. -  + i
D. -  - i


Answer: D

Mathematics

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Find the special products using patterns.(p - r)(p + r)

A. p2 - 2r2 B. p2 - r2 C. p2 + r2 D. 2p2 - r2

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Find the x- and y-intercepts.f(x) = x2 + 20x + 100

A. (100, 0), (0, -10) B. (100, 0), (0, 10) C. (10, 0), (0, 100) D. (-10, 0), (0, 100)

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Solve the inequality. < 0

A. (-1, 2) B. (-?, -1) C. (-?, -1) or (2, ?) D. (2, ?)

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Express as a single logarithm, and, if possible, simplify.10loga 10 + 8loga  5

A. log1010 58 
B. log  
C. log (100 + 100)
D. log108 ? log58

Mathematics