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18 December, 20:49

Which of the following is the correct notation for the complex number 113-√-68?

A. 113-2√17t

B. 113-2t√17

C. 113+2t√17

D. 113-2t√-17

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Answers (2)
  1. 18 December, 21:13
    0
    Remember

    i=√-1

    complex numbers are written in form a+bi

    so

    113-√-68=

    113 - (√-1) (√ (68) =

    113 - (i) (2√ (17) =

    113-2i√17

    answer is B (what is that 't' doing there?)
  2. 18 December, 21:17
    0
    Well the answer is A. 113-2tsqr 17t
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