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If w is a complex cube root of unity. ...

If `w` is a complex cube root of unity. Show that `|[1,w, w^2],[w, w^2, 1],[w^2, 1,w]|=0` .

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RD SHARMA ENGLISH-DETERMINANTS-All Questions
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  18. If A is a skew-symmetric matrix of odd order n , then |A|=O .

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