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27 November, 16:14

Ind the solution set of the quadratic equation over the set of complex numbers.

5x2 + 12x + 8 = 0

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  1. 27 November, 16:21
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    Hello:

    5x²+12x+8 = 0

    delta = 12²-4 (5) (8) = - 16 = 16i² ... (i² = 1)

    delta = (4i) ²

    x1 = (-12+4i) / 2 x2 = (-12-4i) / 2

    x1 = - 6+2i x2 = - 6-2i
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