यदि \(U={x:x\in \mathbb{Z}, -3\le x\le 4}\) और \(A={x:x\in U, x^2<4}\) है, तो (A') में कितने तत्व हैं?

If \(U={x:x\in \mathbb{Z}, -3\le x\le 4}\) and \(A={x:x\in U, x^2<4}\), how many elements are in (A')?

Explanation opens after your attempt
Correct Answer

C. (5)

Step 1

Concept

Here \(U=\{-3,-2,-1,0,1,2,3,4\}\) and \(A=\{-1,0,1\}\). Hence (A') has (5) elements.

Step 2

Why this answer is correct

The correct answer is C. (5). Here \(U=\{-3,-2,-1,0,1,2,3,4\}\) and \(A=\{-1,0,1\}\). Hence (A') has (5) elements.

Step 3

Exam Tip

\(U=\{-3,-2,-1,0,1,2,3,4\}\) और \(A=\{-1,0,1\}\) है। इसलिए (A') में (5) तत्व हैं।

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Mathematics Answer, Explanation and Revision Hints

यदि \(U={x:x\in \mathbb{Z}, -3\le x\le 4}\) और \(A={x:x\in U, x^2<4}\) है, तो (A') में कितने तत्व हैं? / If \(U={x:x\in \mathbb{Z}, -3\le x\le 4}\) and \(A={x:x\in U, x^2<4}\), how many elements are in (A')?

Correct Answer: C. (5). Explanation: \(U=\{-3,-2,-1,0,1,2,3,4\}\) और \(A=\{-1,0,1\}\) है। इसलिए (A') में (5) तत्व हैं। / Here \(U=\{-3,-2,-1,0,1,2,3,4\}\) and \(A=\{-1,0,1\}\). Hence (A') has (5) elements.

Which concept should I revise for this Mathematics MCQ?

Here \(U=\{-3,-2,-1,0,1,2,3,4\}\) and \(A=\{-1,0,1\}\). Hence (A') has (5) elements.

What exam hint can help solve this Mathematics question?

\(U=\{-3,-2,-1,0,1,2,3,4\}\) और \(A=\{-1,0,1\}\) है। इसलिए (A') में (5) तत्व हैं।