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]

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Arun Kumar · Answer

Hello Student, By what i understand by your representation. Thanks & Regards Arun Kumar Btech, IIT Delhi Askiitians Faculty

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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

( – infinity to – 1] union [ 3 to infinity)

[ 1 – underroot 5 , – ] union [3, 1+ underroot 5]

[1 – underroot 5, 1+underroot 5]

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