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प्रश्न
Choose the correct alternative:
For the system of equations x + 2y + 3z = 1, 2x + y + 3z = 3, 5x + 5y + 9z = 4
विकल्प
there is only one solution
there exists infinitely many solutions
there is no solution
None of these
उत्तर
there is only one solution
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