1.   Find (1 + i)-6.
    A. B.
    C. D.
    Hint

  2.   Find . Express the result in rectangular form.
    A. -1024 B. 1024i
    C. 1024 D. -1024i
    Hint

  3.   Find .
    A. B.
    C. D.
    Hint

  4.   Solve the equation x4 - 81 = 0.
    A. 3, -3, 3i, -3i
    B. 3, -3i, ,
    C. 3, -3, , -
    D. 3, 3i, ,
    Hint

  5.   Which of the following is not a cube root of -3 + 3i?
    A. -1.56 + 0.42i B. 0.42 - 1.56i
    C. 1.14 +1.14i D. -1.14 - 1.14i
    Hint



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