1.   Find .
    A. B.
    C. D.
    Hint
  2.   Find (1 + i)-6.
    A. B.
    C. D.
    Hint
  3.   Find .
    A. B.
    C. D.
    Hint
  4.   Find the principal fourth root of 256i. Leave the result in polar form.
    A. 4 (cos 0 + i sin 0) B.
    C. 4 D.
    Hint
  5.   Which of the following is not a cube root of -3 + 3i?
    A. -1.14 - 1.14i B. -1.56 + 0.42i
    C. 1.14 +1.14i D. 0.42 - 1.56i
    Hint

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