संख्या रेखा पर \(-7\le x\le -1\) के लिए सही अंतराल कौन सा है?
Which interval is correct for \(-7\le x\le -1\) on the number line?
Explanation opens after your attempt
Correct Answer
D. ([-7,-1])
Concept
Equality is included on both sides, so both endpoints are included. In this case, square brackets are used at both ends.
Why this answer is correct
The correct answer is D. ([-7,-1]). Equality is included on both sides, so both endpoints are included. In this case, square brackets are used at both ends.
Exam Tip
दोनों ओर बराबरी शामिल है इसलिए दोनों सीमाएँ शामिल होंगी। ऐसे में दोनों सिरों पर वर्ग कोष्ठक लगते हैं।
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