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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-sqrt(5),1+sqrt(5)]`

C

`[1-sqrt(5),-1]uu[3,1+sqrt(5)]`

D

None of these

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The correct Answer is:
(c )
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