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Which pair of equations is inconsistent?कौन-सा समीकरण युग्म असंगत है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (x-y=3) and (2x-2y=10)(x-y=3) और (2x-2y=10)
Multiplying the first equation by (2) gives (2x-2y=6), while the second is (2x-2y=10). Hence the lines are parallel and have no solution.पहले समीकरण को (2) से गुणा करने पर (2x-2y=6), जबकि दूसरा (2x-2y=10) है। इसलिए रेखाएँ समांतर हैं और कोई हल नहीं है।
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