यदि \(A={x\in\mathbb{Z}: -4\le x\le4}\) और \(B={x\in\mathbb{Z}: x^2\ge9}\), तो \(A\cap B\) क्या है?

If \(A={x\in\mathbb{Z}: -4\le x\le4}\) and \(B={x\in\mathbb{Z}: x^2\ge9}\), what is \(A\cap B\)?

Explanation opens after your attempt
Correct Answer

A. ({-4,-3,3,4})

Step 1

Concept

(A) contains integers from (-4) to (4). Among them, \(x^2\ge9\) is true only for (-4,-3,3,4).

Step 2

Why this answer is correct

The correct answer is A. ({-4,-3,3,4}). (A) contains integers from (-4) to (4). Among them, \(x^2\ge9\) is true only for (-4,-3,3,4).

Step 3

Exam Tip

(A) में (-4) से (4) तक पूर्णांक हैं। इनमें \(x^2\ge9\) केवल (-4,-3,3,4) के लिए सत्य है।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(A={x\in\mathbb{Z}: -4\le x\le4}\) और \(B={x\in\mathbb{Z}: x^2\ge9}\), तो \(A\cap B\) क्या है? / If \(A={x\in\mathbb{Z}: -4\le x\le4}\) and \(B={x\in\mathbb{Z}: x^2\ge9}\), what is \(A\cap B\)?

Correct Answer: A. ({-4,-3,3,4}). Explanation: (A) में (-4) से (4) तक पूर्णांक हैं। इनमें \(x^2\ge9\) केवल (-4,-3,3,4) के लिए सत्य है। / (A) contains integers from (-4) to (4). Among them, \(x^2\ge9\) is true only for (-4,-3,3,4).

Which concept should I revise for this Mathematics MCQ?

(A) contains integers from (-4) to (4). Among them, \(x^2\ge9\) is true only for (-4,-3,3,4).

What exam hint can help solve this Mathematics question?

(A) में (-4) से (4) तक पूर्णांक हैं। इनमें \(x^2\ge9\) केवल (-4,-3,3,4) के लिए सत्य है।