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The square of any complex number is

+2
Answers (2)
  1. 12 May, 03:38
    0
    a^2 - b^2 + 2abi

    Step-by-step explanation:

    Let a = a + bi

    Then, z^2 = (a + bi) ^2

    = a^2 + 2abi + (bi) ^2

    = a^2 + 2abi + (b^2) (i^2)

    Since i^2 = - 1,

    z^2 = a^2 + 2abi - b^2

    z^2 = a^2 - b^2 + 2abi
  2. 12 May, 03:53
    0
    raised to the second power: ^2
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