InterviewSolution
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| 1. |
If x ≠ y and x, y are real numbers, and A = x2 + y2 - xy - x - y + 1 , then (a) A > 0 (b) A = 0 (c) A < 0 (d) 0 < A < 1 |
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Answer» Correct option is (a) A > 0 |
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