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Which system represents only the first-quadrant line segment of (x+y=6)?कौन-सी प्रणाली केवल रेखा-खंड (x+y=6) के प्रथम चतुर्थांश वाले भाग को दर्शाती है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (x+y\le 6), (x+y\ge 6), (x\ge 0), (y\ge 0)(x+y\le 6), (x+y\ge 6), (x\ge 0), (y\ge 0)
Together (x+y\le 6) and (x+y\ge 6) force (x+y=6). Equality can be written using two opposite inequalities.दोनों (x+y\le 6) और (x+y\ge 6) मिलकर (x+y=6) बनाते हैं। बराबरी को दो विपरीत असमानताओं से लिखा जा सकता है।
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