प्रथम चतुर्थांश में \(2x+y\le 12\) और \(x+2y\le 12\) से बने क्षेत्र का कौन-सा शीर्ष है?
In the first quadrant, which is a vertex of the region formed by \(2x+y\le 12\) and \(x+2y\le 12\)?
Explanation opens after your attempt
B. ((4,4))
Concept
Solving both lines together gives (x=4), (y=4). The intersection of shared boundaries is often the key vertex.
Why this answer is correct
The correct answer is B. ((4,4)). Solving both lines together gives (x=4), (y=4). The intersection of shared boundaries is often the key vertex.
Exam Tip
दोनों रेखाओं को साथ हल करने पर (x=4), (y=4) मिलता है। साझा सीमा का कटान अक्सर मुख्य शीर्ष होता है।
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