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For which value will (5x+2y=13) and (10x+4y=k) have no solution?किस मान पर (5x+2y=13) और (10x+4y=k) का कोई समाधान नहीं होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (k=13)(k=13)
The coefficient ratio is (\frac{1}{2}); coincidence needs (k=26). For (k=13), the lines are distinct and parallel, so there is no solution.गुणांक अनुपात (\frac{1}{2}) है; संपाती के लिए (k=26) चाहिए। (k=13) पर रेखाएं समांतर अलग-अलग हैं, इसलिए कोई समाधान नहीं।
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