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SSC CPO Tier-1 11-Dec-2019 Shift 1 Solved Paper

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Question : 128

Total: 200

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?

3
6
–6
–3

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