संख्या रेखा पर \([3,\infty\)\cap\(-\infty,12]\) का परिणाम क्या है?
What is the result of \([3,\infty\)\cap\(-\infty,12]\) on the number line?
Explanation opens after your attempt
Correct Answer
B. ([3,12])
Concept
The common part is from (3) to (12), and both endpoints are included. In exams, two included boundaries give a closed interval in the common region.
Why this answer is correct
The correct answer is B. ([3,12]). The common part is from (3) to (12), and both endpoints are included. In exams, two included boundaries give a closed interval in the common region.
Exam Tip
साझा भाग (3) से (12) तक है और दोनों सिरे शामिल हैं। परीक्षा में दो बंद सीमाएँ common भाग में closed interval देती हैं।
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