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(b+c−a)(a+b−c)(a−b+c)(a+b+c)×(a−b−c)(b−a−c)(c−a−b)(−a−b−c)\large{\color{#624F41}{(\color{#3D99F6}{b}\color{#20A900}{+c}\color{#D61F06}{-a})(\color{#D61F06}{a}\color{#3D99F6}{+b}\color{#20A900}{-c})(\color{#D61F06}{a}\color{#3D99F6}{-b}\color{#20A900}{+c})(\color{#D61F06}{a}\color{#3D99F6}{+b}\color{#20A900}{+c})\\ \times (\color{#D61F06}{a}\color{#3D99F6}{-b}\color{#20A900}{-c})(\color{#3D99F6}{b}\color{#D61F06}{-a}\color{#20A900}{-c})(\color{#20A900}{c}\color{#D61F06}{-a}\color{#3D99F6}{-b})(\color{#D61F06}{-a}\color{#3D99F6}{-b}\color{#20A900}{-c})}}(b+c−a)(a+b−c)(a−b+c)(a+b+c)×(a−b−c)(b−a−c)(c−a−b)(−a−b−c)
Suppose a,b,ca,b,ca,b,c are integers, is the above product a square?
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