असमानताओं \(x+y\leq 6\), \(x+y\geq 6\), \(x-y\leq 2\), \(x-y\geq 2\) का संयुक्त हल कौन सा है?
What is the common solution of \(x+y\leq 6\), \(x+y\geq 6\), \(x-y\leq 2\), and \(x-y\geq 2\)?
Explanation opens after your attempt
Correct Answer
D. केवल बिंदु ((4,2))Only the point ((4,2))
Concept
The first two conditions give (x+y=6), and the next two give (x-y=2). Their intersection is ((4,2)).
Why this answer is correct
The correct answer is D. केवल बिंदु ((4,2)) / Only the point ((4,2)). The first two conditions give (x+y=6), and the next two give (x-y=2). Their intersection is ((4,2)).
Exam Tip
पहली दो शर्तें (x+y=6) और अगली दो शर्तें (x-y=2) देती हैं। दोनों रेखाओं का प्रतिच्छेद ((4,2)) है।
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