कौन सा विकल्प \(x\in (-15,-7)\) को असमता रूप में सही लिखता है?
Which option correctly writes \(x\in (-15,-7)\) in inequality form?
Explanation opens after your attempt
B. (-15<x<-7)
Concept
Both sides have parentheses so both endpoints are excluded. Thus (-15<x<-7) is correct.
Why this answer is correct
The correct answer is B. (-15<x<-7). Both sides have parentheses so both endpoints are excluded. Thus (-15<x<-7) is correct.
Exam Tip
दोनों ओर गोल कोष्ठक हैं इसलिए दोनों सीमाएँ शामिल नहीं हैं। अतः (-15<x<-7) सही है।
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