Seudónimo Seudónimo
  • 17-01-2017
  • Mathematics
contestada

write a quadratic equation whose solutions are 7i and -7i

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wizard123
wizard123 wizard123
  • 18-01-2017
[tex]x = \pm 7i \\ \\ x^2 = -49 \\ \\ x^2 +49 = 0[/tex]
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