यदि \(A={x:x\in\mathbb{Z}\) और \(x^2-4x+3=0}\) तथा \(B=\{1,3\}\) हैं तो सही संबंध कौन सा है?
If \(A={x:x\in\mathbb{Z}\) and \(x^2-4x+3=0}\) and \(B=\{1,3\}\), which relation is correct?
Explanation opens after your attempt
Correct Answer
A. (A=B)
Concept
The equation has roots (1) and (3), so both sets have the same elements. In equal sets order is not considered.
Why this answer is correct
The correct answer is A. (A=B). The equation has roots (1) and (3), so both sets have the same elements. In equal sets order is not considered.
Exam Tip
समीकरण के हल (1) और (3) हैं इसलिए दोनों समुच्चयों में वही अवयव हैं। बराबर समुच्चय में क्रम नहीं देखा जाता।
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