- #1
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Was just wondering if there was a "shorter" method of solving this problem.
nPr = 60.
nPr = n!/(n-r)!
n=?
r=3
Works out to be
n(n-1)(n-2) = 60.
From here on, what different options do I have? I have several ways of solving it, but was wondering what would be the "easiest" method.
nPr = 60.
nPr = n!/(n-r)!
n=?
r=3
Works out to be
n(n-1)(n-2) = 60.
From here on, what different options do I have? I have several ways of solving it, but was wondering what would be the "easiest" method.