Mathematics, 20.12.2019 02:31 BobJRJR
Evaluate the expressions. 8! -6! , 7! -5! , and 12! /8! brainlist 5 min left plz hurry
Answers: 3
, 
and 
![8!-6!=[8\times (8-1)\times (8-2)\times (8-3)\times (8-4)\times (8-5)\times (8-6)\times (8-7)]- [6\times (6-1)\times (6-2)\times (6-3)\times (6-4)\times (6-5)]](/tpl/images/0427/0237/c0771.png)
(By using factorial of n formula) ![=[8\times 7\times 6\times 5\times 4\times 3\times 2\times 1]- [6\times 5\times 4\times 3\times 2\times 1]](/tpl/images/0427/0237/1963a.png)
![=[6\times 5\times 4\times 3\times 2\times 1][(8\times 7)-1]](/tpl/images/0427/0237/9d3e7.png)
![=[720][56-1]](/tpl/images/0427/0237/5816c.png)
![=[720][55]](/tpl/images/0427/0237/3a613.png)
![7!-5!=[7\times (7-1)\times (7-2)\times (7-3)\times (7-4)\times (7-5)\times (7-6)]-[5\times (5-1)\times (5-2)\times (5-3)\times (5-4)]](/tpl/images/0427/0237/2fb86.png)
(By using factorial of n formula) ![=[7\times 6\times 5\times 4\times 3\times 2\times 1]- [5\times 4\times 3\times 2\times 1]](/tpl/images/0427/0237/06495.png)
![=[5\times 4\times 3\times 2\times 1][(7\times 6)-1]](/tpl/images/0427/0237/b69ad.png)
![=[120][42-1]](/tpl/images/0427/0237/9e6bd.png)
![=[120][41]](/tpl/images/0427/0237/b1281.png)
(By using factorial of n formula)
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Evaluate the expressions. 8! -6! , 7! -5! , and 12! /8! brainlist 5 min left plz hurry...
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