(n) distinct objects में से कोई object छोड़े बिना उन्हें (2) non-empty labelled boxes में बांटने की संख्या क्या है?
What is the number of ways to distribute (n) distinct objects into (2) non-empty labelled boxes without leaving any object?
Explanation opens after your attempt
Correct Answer
A. \(2^n-2\)
Concept
From total \(2^n\) assignments, the two all-in-one empty-box cases are invalid. In exams subtract empty cases separately for labelled boxes.
Why this answer is correct
The correct answer is A. \(2^n-2\). From total \(2^n\) assignments, the two all-in-one empty-box cases are invalid. In exams subtract empty cases separately for labelled boxes.
Exam Tip
Total \(2^n\) assignments में दोनों all-in-one empty-box cases invalid हैं। परीक्षा में labelled boxes हों तो empty cases अलग से घटाएं।
Login to save your score, XP, coins and progress.