यदि संख्या रेखा पर केवल (-3,-2,-1,0,1) बिंदु भरे हुए हैं तो कौन सा सेट सही है?
If only the points (-3,-2,-1,0,1) are filled on a number line, which set is correct?
Explanation opens after your attempt
A. \({x\in\mathbb{Z}:-3\le x\le 1}\)
Concept
Only separate integer points are filled, so \(x\in\mathbb{Z}\). In exams, distinguish a shaded line segment from separate points.
Why this answer is correct
The correct answer is A. \({x\in\mathbb{Z}:-3\le x\le 1}\). Only separate integer points are filled, so \(x\in\mathbb{Z}\). In exams, distinguish a shaded line segment from separate points.
Exam Tip
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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