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WBJEE 2015 Math Solved Paper

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Question : 11

Total: 80

If ω is an imaginary cube root of unity, then the value of the determinant |

1+ω	ω2	−ω
1+ω2	ω	−ω2
ω+ω2	ω	−ω2

| is

-2ω
-3ω2
-1
0 (Zero)

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