If 2nPn = 8 × 2n-1Pn-1, find the value of n
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2n!/(2n-n)! = 8× (2n-1)! / (2n-1-n+1)!
2n!/n! = 8 × (2n-1)! / n!
2n! = 8 × (2n-1)!
2n! / (2n-1)! = 8
2n × (2n-1)! / (2n-1)! = 8
2n = 8
n = 4
2n!/n! = 8 × (2n-1)! / n!
2n! = 8 × (2n-1)!
2n! / (2n-1)! = 8
2n × (2n-1)! / (2n-1)! = 8
2n = 8
n = 4
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