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सिद्ध कीजिए |(1,alpha,alpha^(2)),(alp...

सिद्ध कीजिए
`|(1,alpha,alpha^(2)),(alpha,alpha^(2),1),(alpha^(2),1,alpha)|=-(1-alpha^(3))^(2)`

लिखित उत्तर

Verified by Experts

The correct Answer is:
`=(1-alpha^(3))^(2)`
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