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If a = 1001, b = 1002, c = 1003, then the value of a2 + b2 + c2 - ab - bc - ca is

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If a = 1001, b = 1002, c = 1003, then the value of a+ b+ c2 - ab - bc - ca is

     (a) 2

     (b) 3

     (c) 5

     (d) None of these

1 answer

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-1

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