Matrices and Determinants || prove |((b+c)²,ab,ca),(ab,(a+c)²,bc), (ac,bc,(a+b)²)| = 2abc (a+b+c)³

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Matrices and Determinants || prove |((b+c)²,ab,ca),(ab,(a+c)²,bc), (ac,bc,(a+b)²)| = 2abc (a+b+c)³

Matrices and Determinants || prove |((b+c)²,ab,ca),(ab,(a+c)²,bc), (ac,bc,(a+b)²)| = 2abc (a+b+c)³