Answers: 1
![3 * [\frac{n!}{(n -2)!} + 24] = \frac{2n!}{(2n -2)!}](/tpl/images/1395/5881/c24c5.png)
![3 * [\frac{n * (n - 1) * (n - 2)!}{(n -2)!} + 24] = \frac{2n * (2n - 1) * (2n - 2)}{2n - 2}](/tpl/images/1395/5881/7d7e6.png)
![3 * [n * (n - 1) + 24] = 2n * (2n - 1)](/tpl/images/1395/5881/31233.png)
![3 * [n^2 - n + 24] = 4n^2 - 2n](/tpl/images/1395/5881/180f2.png)
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If 3(nP2 + 24)=2nP2, find the positive value of n...
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