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
Correct Answer

A. (x<-1) या \(4\le x\le 9\)(x<-1) or \(4\le x\le 9\)

Step 1

Concept

The first part is before (-1), and the second part is closed from (4) to (9). In exams, read separate intervals separately.

Step 2

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.

Step 3

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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Mathematics Answer, Explanation and Revision Hints

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?

Correct Answer: A. (x<-1) या \(4\le x\le 9\) / (x<-1) or \(4\le x\le 9\). Explanation: पहला भाग (-1) से पहले है और दूसरा भाग (4) से (9) तक बंद है। परीक्षा में अलग intervals को अलग-अलग पढ़ें। / The first part is before (-1), and the second part is closed from (4) to (9). In exams, read separate intervals separately.

Which concept should I revise for this Mathematics MCQ?

The first part is before (-1), and the second part is closed from (4) to (9). In exams, read separate intervals separately.

What exam hint can help solve this Mathematics question?

पहला भाग (-1) से पहले है और दूसरा भाग (4) से (9) तक बंद है। परीक्षा में अलग intervals को अलग-अलग पढ़ें।