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If only the points (-3,-2,-1,0,1) are filled on a number line, which set is correct?यदि संख्या रेखा पर केवल (-3,-2,-1,0,1) बिंदु भरे हुए हैं तो कौन सा सेट सही है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ({x\in\mathbb{Z}:-3\le x\le 1})({x\in\mathbb{Z}:-3\le x\le 1})
Only separate integer points are filled, so (x\in\mathbb{Z}). In exams, distinguish a shaded line segment from separate points.केवल अलग-अलग पूर्णांक बिंदु भरे हैं इसलिए (x\in\mathbb{Z}) होगा। परीक्षा में रेखा और अलग बिंदुओं में अंतर पहचानें।
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