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Dianastruo9livytayb
Dianastruo9livytayb Dianastruo9livytayb
  • 02-09-2016
  • Mathematics
Answered

what are the roots of -12x^2 11x − 3 = 0?

Verified Answer :

nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 05-09-2016

\(x= \frac{-b\pm\sqrt{b^2-4ac}}{2a} \\=\frac{-(-11)\pm\sqrt{(-11)^2-(4\times12\times3)}}{2\times12}\\=\frac{11\pm\sqrt{121-144}}{24}\\=\frac{11\pm\sqrt{-23}}{24}\\=\frac{11+i\sqrt{23}}{24}\ or \ \frac{11-i\sqrt{23}}{24}\)12x^2 - 11x + 3 = 0

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