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The equation |x+1||x-1|=a^(2) - 2a - 3 c...

The equation `|x+1||x-1|=a^(2) - 2a - 3` can have real solutions for x, if a belongs to

A

`(-oo,-1]uu[3,oo)`

B

`[1-sqrt5,1+sqrt5]`

C

`[1-sqrt5,-1]uu[3,1+sqrt5]`

D

none of these

Text Solution

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The correct Answer is:
A
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