Mathematics · Algebra

If a + b + c = 5 and a2 + b2 + c2 = 29, then what is the value of ab + bc + ca?

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If a + b + c = 5 and a2 + b2 + c2 = 29, then what is the value of ab + bc + ca?

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If a + b + c = 5 and a2 + b2 + c2 = 29, then what is the value of ab + bc + ca?

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