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Which vertex of the region (x+y\le 7), (x-y\le 3), (x\ge 0), (y\ge 0) lies on both slant lines?क्षेत्र (x+y\le 7), (x-y\le 3), (x\ge 0), (y\ge 0) का कौन-सा शीर्ष दोनों तिरछी रेखाओं पर है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((5,2))((5,2))
Solving (x+y=7) and (x-y=3) gives ((5,2)). A common vertex comes from the intersection of two boundary lines.दोनों समीकरणों (x+y=7) और (x-y=3) को हल करने पर ((5,2)) मिलता है। साझा शीर्ष दो सीमा रेखाओं के प्रतिच्छेद से मिलता है।
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