If a + b + c = 6 and a 2 + b 2 + c 2 = 38, then what is the value of a(b 2 + c 2 ) + b(c 2 + a 2 ) + c(a 2 + b 2 ) + 3abc?

SSC CPO 11 Dec 2019 Shift 1 Paper

Question : 128 of 200

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If a + b + c = 6 and a² + b² + c² = 38, then what is the value of a(b² + c²) + b(c² + a²) + c(a² + b²) + 3abc?

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