यदि \(A={x:x\in\mathbb{Z},x^2=2}\), तो (A) कैसा है?
If \(A={x:x\in\mathbb{Z},x^2=2}\), what kind of set is (A)?
Explanation opens after your attempt
A. रिक्त समुच्चयEmpty set
Concept
The real solutions of \(x^2=2\) are \(\sqrt{2}\) and \(-\sqrt{2}\).
Why this answer is correct
These are not integers.
Exam Tip
Since the integer condition is not satisfied, the set is empty. चरण 1: \(x^2=2\) के वास्तविक हल \(\sqrt{2}\) और \(-\sqrt{2}\) हैं। चरण 2: ये पूर्णांक नहीं हैं। चरण 3: पूर्णांक शर्त पूरी न होने से समुच्चय रिक्त है।
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