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If (x) is a real number and (x\notin(-1,4)), what is the correct number line representation?यदि (x) वास्तविक संख्या है और (x\notin(-1,4)), तो सही संख्या रेखा निरूपण क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((-\infty,-1]\cup[4,\infty))((-\infty,-1]\cup[4,\infty))
((-1,4)) does not include (-1) and (4), so the complement includes both. Hence the outside regions have closed endpoints.((-1,4)) में (-1) और (4) शामिल नहीं हैं इसलिए पूरक में दोनों शामिल होंगे। अतः बाहरी भाग बंद सिरों के साथ होगा।
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