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Find R If 5p_R = 2^6 P_(R-1) Permutations, - Mathematics

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Question

Find r if `""^5P_r = 2^6 P_(r-1)`

Solution

∴0 ≤ ≤ 5

Hence, r ≠ 10

r = 3

  Is there an error in this question or solution?
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APPEARS IN

 NCERT Solution for Mathematics Textbook for Class 11 (2018 (Latest))
Chapter 7: Permutations and Combinations
Q: 7.1 | Page no. 148
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Video TutorialsVIEW ALL [1]

Find R If 5p_R = 2^6 P_(R-1) Permutations, Concept: Concept of Permutations.
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