Find n, If n+5Pn+1 = 
(n – 1). n+3Pn, find n.
To find: the value of n
Formula Used:
Total number of ways in which n objects can be arranged in r places (Such that no object is replaced) is given by,
nPr
n+5Pn+1 = 
(n – 1). n+3Pn
(n - 7)(n - 6) = 0
n = 7, 6
Hence, values of n are 7 & 6
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