Texas Instruments TI-34 MultiView Manual Pagina 122

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112 TI-34 MultiView: A Guide For Teachers © 2007 TEXAS INSTRUMENTS INCORPORATED
You have space for 2 books on your
bookshelf. You have 4 books to put on
the shelf. Use this formula to find how
many ways you could place the 4
books in the 2 spaces.
4 C 2
ABCD
There are 6 unique combinations of 2
books chosen from 4 different books.
Press Display
4 H $
< 2 <
AB and BA
count as only 1
combination
AB AC AD
BA
BC BD
CA
CB CD
DA
DB DC
Combination (nCr)
H
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