student6949 student6949
  • 13-08-2021
  • Mathematics
contestada

What is one root of this equation?

2x^-4x+9=0

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 15-08-2021

9514 1404 393

Answer:

  1 +i√3.5

Step-by-step explanation:

In vertex form, the equation is ...

  2(x² -2x +1) +7 = 0

  2(x -1)² +7 = 0

Then the solutions are ...

  (x -1)² = -7/2

  x = 1 ±i√3.5

One solution is 1+i√3.5.

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