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In which system will no boundary line be included in the graph?किस तंत्र के ग्राफ में कोई भी सीमा रेखा शामिल नहीं होगी?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (x+y<4), (x-y>1)(x+y<4), (x-y>1)
Both inequalities are strict, so both boundary lines are excluded. Exam tip: Decide boundary type separately for each inequality.दोनों असमानताएँ कठोर हैं इसलिए दोनों सीमा रेखाएँ हटाई जाती हैं। परीक्षा सुझाव: हर असमानता का सीमा-प्रकार अलग-अलग तय करें।
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