यदि \(A=\varnothing\) और \(B=\{1,2,3\}\), तो \(A\times B\) क्या होगा?

If \(A=\varnothing\) and \(B=\{1,2,3\}\), what is \(A\times B\)?

Explanation opens after your attempt
Correct Answer

A. \(\varnothing\)

Step 1

Concept

The first set is empty, so no ordered pair can be formed. Treat the empty set as a set with (0) elements.

Step 2

Why this answer is correct

The correct answer is A. \(\varnothing\). The first set is empty, so no ordered pair can be formed. Treat the empty set as a set with (0) elements.

Step 3

Exam Tip

पहला समुच्चय रिक्त है, इसलिए कोई क्रमित युग्म बन नहीं सकता। रिक्त समुच्चय को (0) अवयव वाला समुच्चय मानें।

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FAQs

Mathematics Answer, Explanation and Revision Hints

यदि \(A=\varnothing\) और \(B=\{1,2,3\}\), तो \(A\times B\) क्या होगा? / If \(A=\varnothing\) and \(B=\{1,2,3\}\), what is \(A\times B\)?

Correct Answer: A. \(\varnothing\). Explanation: पहला समुच्चय रिक्त है, इसलिए कोई क्रमित युग्म बन नहीं सकता। रिक्त समुच्चय को (0) अवयव वाला समुच्चय मानें। / The first set is empty, so no ordered pair can be formed. Treat the empty set as a set with (0) elements.

Which concept should I revise for this Mathematics MCQ?

The first set is empty, so no ordered pair can be formed. Treat the empty set as a set with (0) elements.

What exam hint can help solve this Mathematics question?

पहला समुच्चय रिक्त है, इसलिए कोई क्रमित युग्म बन नहीं सकता। रिक्त समुच्चय को (0) अवयव वाला समुच्चय मानें।