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How will (x^2\ge 64) appear on the number line?असमानता (x^2\ge 64) संख्या रेखा पर किस रूप में दिखेगी?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((-\infty,-8]\cup[8,\infty))((-\infty,-8]\cup[8,\infty))
(x^2\ge64) gives (|x|\ge8), so two closed outer rays are obtained. In exams, include boundary points when the sign is (\ge).(x^2\ge64) से (|x|\ge8), इसलिए बाहर के दो closed rays मिलते हैं। परीक्षा में (\ge) होने पर boundary points शामिल करें।
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