यदि (A) में (3) अवयव और (B) में (4) अवयव हैं, तो \(A\times B\) के गैर-रिक्त उपसमुच्चयों की संख्या क्या है?

If (A) has (3) elements and (B) has (4) elements, what is the number of non-empty subsets of \(A\times B\)?

Explanation opens after your attempt
Correct Answer

C. (4095)

Step 1

Concept

\(|A\times B|=12\), so non-empty subsets are \(2^{12}-1=4095\). Do not forget to subtract the empty set.

Step 2

Why this answer is correct

The correct answer is C. (4095). \(|A\times B|=12\), so non-empty subsets are \(2^{12}-1=4095\). Do not forget to subtract the empty set.

Step 3

Exam Tip

\(|A\times B|=12\), इसलिए गैर-रिक्त उपसमुच्चय \(2^{12}-1=4095\) हैं। रिक्त समुच्चय घटाना न भूलें।

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Mathematics Answer, Explanation and Revision Hints

यदि (A) में (3) अवयव और (B) में (4) अवयव हैं, तो \(A\times B\) के गैर-रिक्त उपसमुच्चयों की संख्या क्या है? / If (A) has (3) elements and (B) has (4) elements, what is the number of non-empty subsets of \(A\times B\)?

Correct Answer: C. (4095). Explanation: \(|A\times B|=12\), इसलिए गैर-रिक्त उपसमुच्चय \(2^{12}-1=4095\) हैं। रिक्त समुच्चय घटाना न भूलें। / \(|A\times B|=12\), so non-empty subsets are \(2^{12}-1=4095\). Do not forget to subtract the empty set.

Which concept should I revise for this Mathematics MCQ?

\(|A\times B|=12\), so non-empty subsets are \(2^{12}-1=4095\). Do not forget to subtract the empty set.

What exam hint can help solve this Mathematics question?

\(|A\times B|=12\), इसलिए गैर-रिक्त उपसमुच्चय \(2^{12}-1=4095\) हैं। रिक्त समुच्चय घटाना न भूलें।