Mathematics · Set Theory and Relations
माना S समुच्चय {a, b, c, d, e, f} पर उन सभी संबंधों R का समुच्चय है, जो स्वतः (reflexive) और सममित (symmetric) हैं, तथा R में ठीक 10 अवयव हैं। तो S में अवयवों की संख्या कितनी है?
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