InterviewSolution
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InterviewSolution
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If a, b, c are rational numbers such that a2 + b2 + c2 − ab − bc − ca = 0, prove that a = b = c. |
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Answer» If a, b, c are rational numbers such that a2 + b2 + c2 − ab − bc − ca = 0, prove that a = b = c. |
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