of partitions of [8] into two blocks in which the two blocks do not have the same size? [8] is a set so the question is about set partitions possibly?...

What is the number of partitions of [8] into two blocks in which the two blocks do not have the same size? [8] is a set so the question is about set partitions possibly?

Answer:We want to evaluate S 8, 2 excluding the equal partitions of 4, 4 .The possible partition of set of length 8 excluding partition 4, 4 is 1, 7 2, 6 3,5 Now the number of way to make...