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Let w be a complex number such that 2w + 1 = z where z = sqrt(–3) . If |1 1 1 | |1 -w^2– 1 w^2 | = 3k, |1 w^2 w^7 | then k is equal to :- (1) 1 (2) –z (3) z (4) –1 Note : This is a determinant: |1 1 1 | |1 -w^2– 1 w^2 | = 3k, |1 w^2 w^7 |

2 years ago

Answers : (1)

Deepak Kumar Shringi
askIITians Faculty
4402 Points
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2 years ago
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