संख्या रेखा पर (x\in\(-\infty,-1\)\cup[4,9]) को पढ़ने का सही तरीका क्या है?
What is the correct way to read (x\in\(-\infty,-1\)\cup[4,9]) on the number line?
Explanation opens after your attempt
A. (x<-1) या \(4\le x\le 9\)(x<-1) or \(4\le x\le 9\)
Concept
The first part is before (-1), and the second part is closed from (4) to (9). In exams, read separate intervals separately.
Why this answer is correct
The correct answer is A. (x<-1) या \(4\le x\le 9\) / (x<-1) or \(4\le x\le 9\). The first part is before (-1), and the second part is closed from (4) to (9). In exams, read separate intervals separately.
Exam Tip
पहला भाग (-1) से पहले है और दूसरा भाग (4) से (9) तक बंद है। परीक्षा में अलग intervals को अलग-अलग पढ़ें।
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