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Prove that |[a^2, a^2-(b-c)^2, bc],[b^2...

Prove that ` |[a^2, a^2-(b-c)^2, bc],[b^2, b^2-(c-a)^2, ca],[c^2, c^2-(a-b)^2, ab]|=(a-b)(b-c)(c-a)(a+b+c)(a^2+b^2+c^2) `

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