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Why is the point ((3,2)) not valid for the system (x+2y<7), (2x+y\leq 8)?बिंदु ((3,2)) तंत्र (x+2y<7), (2x+y\leq 8) के लिए क्यों मान्य नहीं है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: Because equality occurs in (x+2y<7)क्योंकि (x+2y<7) में समानता मिलती है
At ((3,2)), (x+2y=7), but (x+2y<7) excludes the boundary. Exam tip: Remove equality points in strict inequalities.((3,2)) पर (x+2y=7) है लेकिन (x+2y<7) में सीमा शामिल नहीं होती। परीक्षा सुझाव: कठोर असमानता में बराबरी वाले बिंदु हटा दें।
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