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Thread: SAT subject mathematics Complex numbers

  1. 12-27-2013, 04:42 AM #1
    lily
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    SAT subject mathematics Complex numbers

    SAT subject mathematics Complex numbers
    Which of the following is equal to ?
    (A)
    (B)
    (C)
    (D)
    (E)

    Thanks!
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  2. 12-27-2013, 04:44 AM #2
    miranda
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    We know that for the imaginary unit hold the following
    ,

    and .

    Also, 2013 can be written as 4*503+1

    So,

    Therefore the correct answer is (A).

    Hope these help!!
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  3. 12-27-2013, 04:45 AM #3
    lily
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    Quote Originally Posted by miranda View Post
    We know that for the imaginary unit hold the following
    ,

    and .

    Also, 2013 can be written as 4*503+1

    So,

    Therefore the correct answer is (A).

    Hope these help!!
    Thank you
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