Question

a square plus b square minus 2ab plus 2bc plus 2ac minus 2ca

Answer 1

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${a}^{2} + {b}^{2} - 2ab + 2bc + 2ac - 2ca$

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It is the derivation of this formula:-

${(a - b - c)}^{2} = {a}^{2} + {b}^{2} + {c}^{2} - 2ab + 2bc - 2ac$

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