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|{:(b+c,a-c,a-b),(b-c,c+a,b-a),(c-b,c-a,...

`|{:(b+c,a-c,a-b),(b-c,c+a,b-a),(c-b,c-a,a+b):}|=8abc`

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if |(b+c,a-c,a-b),(b-c,c+a,b-a),(c-b,c-a,a+b)|=k(abc) .Then k is:

det[[b+c,a-c,a-bb-c,c+a,b-ac-b,c-a,a+b]]=8abc

Prove that |{:(b+c,c,b),(c,c+a,a),(b,a,a+b):}| =4 abc.

Prove that |{:(b+c,c,b),(c,c+a,a),(b,a,a+b):}| =4 abc.

Prove that |{:(b+c,a,a),(b,c+a,b),(c,c,a+b):}| = 4 abc

|{:(a,b,c),(a-b,b-c,c-a),(b+c,c+a,a+b):}|=a^3+b^3+c^3-3abc

|{:(b+c,a-b,a),(c+a,b-c,b),(a+b,c-a,c):}|=3abc-a^3-b^3-c^3

Prove that {:[( b+c,a,a), ( b,c+a,b),( c,c,b+a) ]:} = 4abc