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The equation x^(2) +ax-a^(2)-1=0 will ha...

The equation `x^(2) +ax-a^(2)-1=0` will have roots of opposite signs if

A

`a in(-oo, oo)`

B

`a in [-1, 1]`

C

`a in (-oo, -1)uu [1, oo)`

D

None of these

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The correct Answer is:
A
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