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The equation [ x – 1][x + 1] = a^2 – 2a – 3 can have real solutions for x if a belongs to ( – infinity to – 1] union [ 3 to infinity) [ 1 – underroot 5 , – ] union [3, 1+ underroot 5] [1 – underroot 5, 1+underroot 5]

The equation [ x – 1][x + 1] = a^2 – 2a – 3 can have real solutions for x if a belongs to
  1. ( – infinity to – 1] union [ 3 to infinity)
  2. [ 1 – underroot 5 , – ] union [3, 1+ underroot 5]
  3. [1 – underroot 5, 1+underroot 5]

Grade:11

1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
6 years ago
Hello Student,
By what i understand by your representation.
Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty

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