Question
Find r if `""^5P_r = 2^6 P_(r-1)`
Solution
∴0 ≤ r ≤ 5
Hence, r ≠ 10
∴r = 3
Is there an error in this question or solution?
Solution Find R If 5p_R = 2^6 P_(R-1) Permutations, Concept: Concept of Permutations.
Textbook Solutions
Balbharati SolutionsNCERT SolutionsR.D. Sharma SolutionsLakhmir Singh SolutionsH.C. Verma SolutionsR.S. Aggarwal SolutionsT.S. Grewal Solutions Selina ICSE Concise SolutionsFrank ICSE Solutions© 2019 Shaalaa.com