CBSE Class 11 science: Permutations: Distinct Objects Videos | More concepts on permutation and combination
More concepts on permutation and combination
Describe factorial notation and derive the formula . Permutation of n objects taken r at a time. Problems on permutation of different objects.
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- If , then find the value of n.
- Evaluate , when n = 10 and r = 4.
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- Find the number of permutations of English vowels taking three at a time.