किस विकल्प में संख्या रेखा पर पूरा वास्तविक समुच्चय दिखाया गया है?
Which option shows the whole set of real numbers on the number line?
Explanation opens after your attempt
A. (\(-\infty,\infty\))
Concept
The whole real line is written as (\(-\infty,\infty\)) and square brackets are not used with infinity. In exams do not treat infinity as an includable endpoint.
Why this answer is correct
The correct answer is A. (\(-\infty,\infty\)). The whole real line is written as (\(-\infty,\infty\)) and square brackets are not used with infinity. In exams do not treat infinity as an includable endpoint.
Exam Tip
पूरी वास्तविक रेखा (\(-\infty,\infty\)) से लिखी जाती है और infinity पर वर्ग कोष्ठक नहीं लगते। परीक्षा में infinity को endpoint मानकर शामिल न करें।
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