यदि (n\(A\cup B\)=n(A)+n(B)), तो वेन आरेख के अनुसार कौन सा निष्कर्ष सही है?

If (n\(A\cup B\)=n(A)+n(B)), which conclusion is correct according to the Venn diagram?

Explanation opens after your attempt
Correct Answer

A. \(A\cap B=\varnothing\)

Step 1

Concept

In the union formula, the subtracted part is (n\(A\cap B\)), which must be (0) here. Hence the sets are disjoint.

Step 2

Why this answer is correct

The correct answer is A. \(A\cap B=\varnothing\). In the union formula, the subtracted part is (n\(A\cap B\)), which must be (0) here. Hence the sets are disjoint.

Step 3

Exam Tip

संघ सूत्र में घटने वाला भाग (n\(A\cap B\)) है, जो यहां (0) होगा। इसलिए समुच्चय असंबद्ध हैं।

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Mathematics Answer, Explanation and Revision Hints

यदि (n\(A\cup B\)=n(A)+n(B)), तो वेन आरेख के अनुसार कौन सा निष्कर्ष सही है? / If (n\(A\cup B\)=n(A)+n(B)), which conclusion is correct according to the Venn diagram?

Correct Answer: A. \(A\cap B=\varnothing\). Explanation: संघ सूत्र में घटने वाला भाग (n\(A\cap B\)) है, जो यहां (0) होगा। इसलिए समुच्चय असंबद्ध हैं। / In the union formula, the subtracted part is (n\(A\cap B\)), which must be (0) here. Hence the sets are disjoint.

Which concept should I revise for this Mathematics MCQ?

In the union formula, the subtracted part is (n\(A\cap B\)), which must be (0) here. Hence the sets are disjoint.

What exam hint can help solve this Mathematics question?

संघ सूत्र में घटने वाला भाग (n\(A\cap B\)) है, जो यहां (0) होगा। इसलिए समुच्चय असंबद्ध हैं।