SSC GD Constable 2012 · Question 65 of 95
Let a=3, b=2, c=1 (a−b)2 (b−c)2 (a−c)2 (b−c)(c−a) + (a−b)(c−a) + (a−b)(b−c) (3−2)2 (2−1)2 (3−1)2 = (2−1)(1−3) + (3−2)(1−3) + (3−2)(2−1) 1 1 = - 2 − 2 +4=3
Source: Solved SSC GD 2012 Shift 1 Paper with Solutions — Testbook · reliable-secondary
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