कौन-सा विवरण \(G=\{4,9,16,25\}\) को सही समुच्चय-निर्माण रूप में दर्शाता है?
Which description correctly represents \(G=\{4,9,16,25\}\) in set-builder form?
Explanation opens after your attempt
A. \(G={x:x=n^2,,n\in \mathbb{N},,2\leq n\leq5}\)
Concept
(4,9,16,25) क्रमशः \(2^2,3^2,4^2,5^2\) हैं। / (4,9,16,25) are \(2^2,3^2,4^2,5^2\).
Why this answer is correct
इसलिए \(x=n^2\) और \(2\leq n\leq5\) सही है। / Hence \(x=n^2\) with \(2\leq n\leq5\) is correct.
Exam Tip
केवल पैटर्न नहीं, आरंभ और अंत की सीमा भी जांचें। / Check both the pattern and the starting and ending limits.
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