संख्या रेखा पर (-5) पर खुला बिंदु और (2) पर बंद बिंदु है तथा बीच का भाग छायांकित है। इसका सही अंतराल कौन-सा है?
On the number line, there is an open dot at (-5), a closed dot at (2), and the region between them is shaded. Which interval is correct?
Explanation opens after your attempt
A. ((-5,2])
Concept
The open dot excludes (-5), and the closed dot includes (2). In exams, write an open dot with a round bracket and a closed dot with a square bracket.
Why this answer is correct
The correct answer is A. ((-5,2]). The open dot excludes (-5), and the closed dot includes (2). In exams, write an open dot with a round bracket and a closed dot with a square bracket.
Exam Tip
खुला बिंदु (-5) को बाहर रखता है और बंद बिंदु (2) को शामिल करता है। परीक्षा में खुला बिंदु गोल कोष्ठक और बंद बिंदु वर्ग कोष्ठक से लिखें।
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