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21 February, 08:47

A quadratic equation has a complex solution of 4+9i

(where 'i' is an imaginary number).

What is the other solution?

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Answers (1)
  1. 21 February, 09:04
    0
    the other solution is 4-9i.

    this comes from the formula for solution of quadratics

    where you can find the + / - symbol in from of the square root of the determinant.
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