संख्या रेखा पर (\(-\infty,-1\)\cup[3,\infty)) का अर्थ क्या है?
What does (\(-\infty,-1\)\cup[3,\infty)) mean on a number line?
Explanation opens after your attempt
Correct Answer
A. (x<-1) या \(x\ge 3\)(x<-1) or \(x\ge 3\)
Concept
The first part is less than (-1), and the second part is (3) and greater. In exams, read \(\cup\) as or.
Why this answer is correct
The correct answer is A. (x<-1) या \(x\ge 3\) / (x<-1) or \(x\ge 3\). The first part is less than (-1), and the second part is (3) and greater. In exams, read \(\cup\) as or.
Exam Tip
पहला भाग (-1) से छोटा है और दूसरा भाग (3) सहित उससे बड़ा है। परीक्षा में \(\cup\) को या के रूप में पढ़ें।
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