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Which interval is correct on the number line for (|x|\ge 2)?(|x|\ge 2) के लिए संख्या रेखा पर कौन सा अंतराल सही है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((-\infty,-2]\cup[2,\infty))((-\infty,-2]\cup[2,\infty))
(|x|\ge 2) means (x\le -2) or (x\ge 2). Equality is included, so the outer endpoints are closed.(|x|\ge 2) में (x\le -2) या (x\ge 2) होता है। बराबरी शामिल है इसलिए दोनों बाहरी सिरे बंद होंगे।
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