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January 30, 2015

Posted by **Enis** on Sunday, March 3, 2013 at 5:48pm.

A has how many subset

B has ------ subset

- Emergency help Math 112 -
**Enis**, Sunday, March 3, 2013 at 5:54pmMath elements

- Emergency help -
**Dr. Jane**, Sunday, March 3, 2013 at 7:07pmI think you are missing part of your question for B.

A can be a subset of itself, so it would include everything

The null or empty set is also a subset.

Each number could be in its own subset.

We are up to 8 subsets.

Also, we could take two numbers at a time to make unique subsets you would use combinations to do that. 6!/(2!4!)

Then you could take three numbers at a time: 6!/(3!3!)

Then you could take four numbers at a time: 6!/(4! 2!)

Finally, you could take five numbers at a time: 6!(5!1!)

Sum all of these and you will get the total number of subsets for A.

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