सारणिकों के गुणधर्मों का प्रयोग करके सिद...

सारणिकों के गुणधर्मों का प्रयोग करके सिद्ध कीजिए - `|(x,y,x+y),(y,x+y,x),(x+y,x,y)|=-2(x^3+y^3)`

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Prove that: {:|(x,y,x+y),(y,x+y,x),(x+y,x,y)| = -2(x^3+y^3)

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Using properties of determinants prove abs[[x,y,x+y],[y,x+y,x],[x+y,x,y]]=-2(x^3+y^3)