कथन: यदि \(A=\varnothing\) और \(B\ne\varnothing\), तो \(A\times B=\varnothing\)। यह कथन कैसा है?

Statement: If \(A=\varnothing\) and \(B\ne\varnothing\), then \(A\times B=\varnothing\). What is this statement?

Explanation opens after your attempt
Correct Answer

B. सत्यtrue

Step 1

Concept

The first component must come from (A), but \(A=\varnothing\). Therefore no ordered pair is formed.

Step 2

Why this answer is correct

The correct answer is B. सत्य / true. The first component must come from (A), but \(A=\varnothing\). Therefore no ordered pair is formed.

Step 3

Exam Tip

पहला घटक (A) से आना चाहिए पर \(A=\varnothing\) है। इसलिए कोई क्रमित युग्म नहीं बनेगा।

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Mathematics Answer, Explanation and Revision Hints

कथन: यदि \(A=\varnothing\) और \(B\ne\varnothing\), तो \(A\times B=\varnothing\)। यह कथन कैसा है? / Statement: If \(A=\varnothing\) and \(B\ne\varnothing\), then \(A\times B=\varnothing\). What is this statement?

Correct Answer: B. सत्य / true. Explanation: पहला घटक (A) से आना चाहिए पर \(A=\varnothing\) है। इसलिए कोई क्रमित युग्म नहीं बनेगा। / The first component must come from (A), but \(A=\varnothing\). Therefore no ordered pair is formed.

Which concept should I revise for this Mathematics MCQ?

The first component must come from (A), but \(A=\varnothing\). Therefore no ordered pair is formed.

What exam hint can help solve this Mathematics question?

पहला घटक (A) से आना चाहिए पर \(A=\varnothing\) है। इसलिए कोई क्रमित युग्म नहीं बनेगा।