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Which interval is shown by an open dot at (-9) and a ray to the right on the number line?संख्या रेखा पर (-9) पर खुला बिंदु और दाईं ओर रेखा किस interval को दिखाती है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ((-9,\infty))((-9,\infty))
The open dot excludes (-9) and the right ray takes values greater than it. In exams write (>) as ((a,\infty)).खुला बिंदु (-9) को हटाता है और दाईं रेखा उससे बड़े मान लेती है। परीक्षा में (>) को ((a,\infty)) के रूप में लिखें।
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