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What does ((-\infty,-1)\cup[3,\infty)) mean on a number line?संख्या रेखा पर ((-\infty,-1)\cup[3,\infty)) का अर्थ क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (x<-1) or (x\ge 3)(x<-1) या (x\ge 3)
The first part is less than (-1), and the second part is (3) and greater. In exams, read (\cup) as or.पहला भाग (-1) से छोटा है और दूसरा भाग (3) सहित उससे बड़ा है। परीक्षा में (\cup) को या के रूप में पढ़ें।
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