कौन सा बिंदु \(2x+5y\leq 20\), \(x-y\geq -1\), \(x\geq 0\), \(y\geq 0\) का हल नहीं है?
Which point is not a solution of \(2x+5y\leq 20\), \(x-y\geq -1\), \(x\geq 0\), and \(y\geq 0\)?
Explanation opens after your attempt
Correct Answer
B. ((2,3))
Concept
At ((2,3)), (2x+5y=19) and (x-y=-1), so it cannot be rejected. For such questions, test all conditions carefully.
Why this answer is correct
The correct answer is B. ((2,3)). At ((2,3)), (2x+5y=19) and (x-y=-1), so it cannot be rejected. For such questions, test all conditions carefully.
Exam Tip
((2,3)) पर (2x+5y=19) सही है लेकिन (x-y=-1) भी सही है इसलिए इसे हटाया नहीं जा सकता। विकल्प जांच में गलत विकल्प पहचानने के लिए सभी शर्तें सावधानी से जांचें।
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