कौन-सा विकल्प \(x\in[-1,3]\) को संख्या रेखा पर सही दिखाता है?
Which option correctly represents \(x\in[-1,3]\) on the number line?
Explanation opens after your attempt
Correct Answer
C. (-1) और (3) दोनों पर बंद बिंदुClosed dots at both (-1) and (3)
Concept
The interval ([-1,3]) has square brackets at both ends so both values are included. In exams draw closed dots for both endpoints of a closed interval.
Why this answer is correct
The correct answer is C. (-1) और (3) दोनों पर बंद बिंदु / Closed dots at both (-1) and (3). The interval ([-1,3]) has square brackets at both ends so both values are included. In exams draw closed dots for both endpoints of a closed interval.
Exam Tip
([-1,3]) में दोनों सिरों पर वर्ग कोष्ठक हैं इसलिए दोनों मान शामिल हैं। परीक्षा में closed interval के दोनों बिंदु बंद बनाएं।
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