8! =
10! =
note :
pakai cara
[tex]8! \\ = 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \\ = 56 \times 6 \times 5 \times 4 \times 3 \times 2 \\ = 336 \times 5 \times 4 \times 3 \times 2 \\ = 1680 \times 4 \times 3 \times 2 \\ = 6720 \times 3 \times 2 \\ = 20160 \times 2 \\ = 40320[/tex]
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[tex]10! \\ = 10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \\ = 90 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \\ = 720 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \\ = 5040 \times 6 \times 5 \times 4 \times 3 \times 2 \\ = 30240 \times 5 \times 4 \times 3 \times 2 \\ = 151200 \times 4 \times 3 \times 2 \\ = 604800 \times 3 \times 2 \\ = 1814400 \times 2 \\ = 3628800[/tex]
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