हल-क्षेत्र \(x\geq 0\), \(y\geq 0\), \(x+3y\leq 12\), \(x+y\geq 4\) में (y) की सीमा क्या है?
What is the range of (y) in the solution region \(x\geq 0\), \(y\geq 0\), \(x+3y\leq 12\), and \(x+y\geq 4\)?
Explanation opens after your attempt
C. \(0\leq y\leq 4\)
Concept
At (y=0), \(4\leq x\leq 12\) is possible, and at (x=0), the maximum is (y=4). Hence \(0\leq y\leq 4\).
Why this answer is correct
The correct answer is C. \(0\leq y\leq 4\). At (y=0), \(4\leq x\leq 12\) is possible, and at (x=0), the maximum is (y=4). Hence \(0\leq y\leq 4\).
Exam Tip
(y=0) पर \(4\leq x\leq 12\) संभव है और (x=0) पर अधिकतम (y=4) मिलता है। इसलिए \(0\leq y\leq 4\) है।
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