कौन-सी प्रणाली केवल रेखा-खंड (x+y=6) के प्रथम चतुर्थांश वाले भाग को दर्शाती है?
Which system represents only the first-quadrant line segment of (x+y=6)?
Explanation opens after your attempt
Correct Answer
A. \(x+y\le 6\), \(x+y\ge 6\), \(x\ge 0\), \(y\ge 0\)
Concept
Together \(x+y\le 6\) and \(x+y\ge 6\) force (x+y=6). Equality can be written using two opposite inequalities.
Why this answer is correct
The correct answer is A. \(x+y\le 6\), \(x+y\ge 6\), \(x\ge 0\), \(y\ge 0\). Together \(x+y\le 6\) and \(x+y\ge 6\) force (x+y=6). Equality can be written using two opposite inequalities.
Exam Tip
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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