If a = 2017, b = 2016 and c = 2015, then what is the value of a 2 + b 2 + c 2 - ab - bc - ca?

SSC CPO 1 July 2017 Shift 1 Paper

Question : 133 of 200

Marks: +1, -0

If a = 2017, b = 2016 and c = 2015, then what is the value of a²+ b²+ c²- ab - bc - ca?

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