यदि \(U=\mathbb{R}\), (A=(-\infty,-4]\cup\(3,\infty\)), तो (A') क्या है?

If \(U=\mathbb{R}\), (A=(-\infty,-4]\cup\(3,\infty\)), what is (A')?

Explanation opens after your attempt
Correct Answer

A. ((-4,3])

Step 1

Concept

(A) includes (-4) and excludes (3). So the complement excludes (-4) and includes (3), giving ((-4,3]).

Step 2

Why this answer is correct

The correct answer is A. ((-4,3]). (A) includes (-4) and excludes (3). So the complement excludes (-4) and includes (3), giving ((-4,3]).

Step 3

Exam Tip

(A) में (-4) शामिल है और (3) शामिल नहीं है। इसलिए पूरक में (-4) नहीं और (3) शामिल होगा, अर्थात ((-4,3])।

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Mathematics Answer, Explanation and Revision Hints

यदि \(U=\mathbb{R}\), (A=(-\infty,-4]\cup\(3,\infty\)), तो (A') क्या है? / If \(U=\mathbb{R}\), (A=(-\infty,-4]\cup\(3,\infty\)), what is (A')?

Correct Answer: A. ((-4,3]). Explanation: (A) में (-4) शामिल है और (3) शामिल नहीं है। इसलिए पूरक में (-4) नहीं और (3) शामिल होगा, अर्थात ((-4,3])। / (A) includes (-4) and excludes (3). So the complement excludes (-4) and includes (3), giving ((-4,3]).

Which concept should I revise for this Mathematics MCQ?

(A) includes (-4) and excludes (3). So the complement excludes (-4) and includes (3), giving ((-4,3]).

What exam hint can help solve this Mathematics question?

(A) में (-4) शामिल है और (3) शामिल नहीं है। इसलिए पूरक में (-4) नहीं और (3) शामिल होगा, अर्थात ((-4,3])।