AP EAMCET Engineering 20 Apr 2019 Shift 2 Paper
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Question : 6 of 160
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If abc ≠ 0 and the system of equations x + 7ay + 2az = 0 , x + 6by + 2bz = 0 , x+ 5cy + 2cz = 0 = 0 has a non-trivial solution, then a . b . c are in
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