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On the number line there is a closed dot at (-2) and an open dot at (5) with the region between them shaded. Which interval is correct?संख्या रेखा पर (-2) पर बंद बिंदु और (5) पर खुला बिंदु है तथा इनके बीच भाग छायांकित है। सही अंतराल कौन-सा है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ([-2,5))([-2,5))
The value (-2) is included and (5) is excluded so ([-2,5)) is correct. In exams read the left and right endpoints separately.(-2) शामिल है और (5) शामिल नहीं है इसलिए ([-2,5)) सही है। परीक्षा में left endpoint और right endpoint अलग-अलग पढ़ें।
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