Class 11 Mathematics Linear Inequalities representation on number line Hard Level 47

यदि (A=(-2,4]) और (B=[1,9)), तो संख्या रेखा पर \(A\cup B\) क्या होगा?

If (A=(-2,4]) and (B=[1,9)), what is \(A\cup B\) on the number line?

Explanation opens after your attempt
Correct Answer

A. ((-2,9))

Step 1

Concept

The two intervals overlap and cover from (-2) to (9) without a gap. In exams, take the entire covered region for a union.

Step 2

Why this answer is correct

The correct answer is A. ((-2,9)). The two intervals overlap and cover from (-2) to (9) without a gap. In exams, take the entire covered region for a union.

Step 3

Exam Tip

दोनों intervals overlap करते हैं और (-2) से (9) तक बिना gap के जाते हैं। परीक्षा में union में पूरा covered भाग लें।

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यदि (A=(-2,4]) और (B=[1,9)), तो संख्या रेखा पर \(A\cup B\) क्या होगा? / If (A=(-2,4]) and (B=[1,9)), what is \(A\cup B\) on the number line?

Correct Answer: A. ((-2,9)). Explanation: दोनों intervals overlap करते हैं और (-2) से (9) तक बिना gap के जाते हैं। परीक्षा में union में पूरा covered भाग लें। / The two intervals overlap and cover from (-2) to (9) without a gap. In exams, take the entire covered region for a union.

Which concept should I revise for this Mathematics MCQ?

The two intervals overlap and cover from (-2) to (9) without a gap. In exams, take the entire covered region for a union.

What exam hint can help solve this Mathematics question?

दोनों intervals overlap करते हैं और (-2) से (9) तक बिना gap के जाते हैं। परीक्षा में union में पूरा covered भाग लें।