If six times the number permutations of n things taken 3 at a time is equal to seven
value of n. Therefore,
times the number of permutations of (n − 1) things taken 3 at a time, find n.
solution: We are given that 6 x "P, = 7 x nup, and we have to solve this equality to find the
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Answer:
6*3*n-(7*3*(n-1))=0
Step-by-step explanation:
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