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in Mathematics by (40.7k points)
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Let ω be a complex number such that 2ω + 1 = z, where z = √-3. if |(1  1  1), (1  - ω2 - 1  ω2), (1  ω2  ω7)| = 3k, then k is equal to 

(a) - z 

(b) z 

(c) -1

(d) 1

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