Let w be a complex number such that 2w + 1 = z where z = sqrt(–3) . If|111||1-w^2– 1w^2 |= 3k,|1w^2w^7 |then k is equal to :-(1) 1 (2) –z (3) z (4) –1 Note : This is a determinant:|111||1-w^2– 1w^2 |= 3k,|1w^2w^7 |

Meghendra Agrawal , 6 Years ago

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