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Which point lies in both regions (x-y \le 2) and (x+y \ge 4)?कौन सा बिंदु क्षेत्र (x-y \le 2) और (x+y \ge 4) दोनों में स्थित है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((4,3))((4,3))
At ((4,3)), (x-y=1) and (x+y=7), so both conditions are true. Algebraic checking is faster before graphing.((4,3)) पर (x-y=1) और (x+y=7), इसलिए दोनों शर्तें सत्य हैं। ग्राफ से पहले बीजगणितीय जांच तेज होती है।
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