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2732

Q:

In solving a problem, one student makes a mistake in the coefficient of the first degree term and obtains – 9 and – 1 for the roots. Another student makes a mistake in the constant term of the equation and obtains 8 and 2 for the roots. The correct equation was 

  • 1
    x2 + 10x + 9 = 0
  • 2
    x2 – 10x = 16 = 0
  • 3
    x2 – 10x + 9 = 0
  • 4
    None of these
  • Show Answer
  • Workspace

Answer : 3. "x2 – 10x + 9 = 0"

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