Given, \(\frac{8!}{6!\times2!}\)
\(=\frac{8\times7\times6!}{6!\times2\times1}\)
\(=\frac{8\times7}{2}\)
\(=28\)
How many possible words can be created from the letters R, A, N, D (with repetition)?
Permutation is the method or the act of arranging members of a set into an order or a sequence.
Combination is the method of forming subsets by selecting data from a larger set in a way that the selection order does not matter.