Mathematics · Probability
समुच्चय A = {1, 2, 3, ..., n} से स्वयं में सभी फलनों (mappings) में से एक फलन यादृच्छिक रूप से चुना जाता है। चुने गए फलन के एकैकी (one-to-one) होने की प्रायिकता क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1इनमें से कोई नहीं
- 2(n - 1)!nn - 1✓
- 31(n)!
- 41nn
सही उत्तर देखें
(n - 1)!nn - 1
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