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If $x^{4}-3x^{2}-4=0$ then its roots are | ClassNotes
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Sep 18, 2022
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If $x^{4}-3x^{2}-4=0$ then its roots are
Difficulty: Easy
Verified
A:
$2,-2,i$ and $-i$
B:
$1,-1,i$ and $-i$
C:
$i$
D:
None of these
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ID: 63273dbaca83163ac3a1289d
