कौन-सा समुच्चय \(K=\{0,1,4,9,16\}\) के बराबर है?
Which set is equal to \(K=\{0,1,4,9,16\}\)?
Explanation opens after your attempt
B. \({x:x=n^2,,n\in \mathbb{Z},,0\leq n\leq4}\)
Concept
(0,1,4,9,16) are \(0^2,1^2,2^2,3^2,4^2\).
Why this answer is correct
Taking \(0\leq n\leq4\) gives exactly these squares.
Exam Tip
Negative (n) may repeat values, but option B is the clean exact representation. चरण 1: (0,1,4,9,16) ये \(0^2,1^2,2^2,3^2,4^2\) हैं। चरण 2: \(0\leq n\leq4\) रखने पर ठीक यही वर्ग मिलते हैं। चरण 3: ऋणात्मक (n) लेने पर भी नए वर्ग नहीं मिलते, पर सरल सही रूप विकल्प B है।
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