[理工] 離散-遞迴關係
請問圖中的(a)小題解答第三行 (n-1)+(n-1)+...+(n-1)是如何推導成右邊式子?
https://i.imgur.com/XFdnGii.jpg
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推
09/13 20:54, , 1F
09/13 20:54, 1F
→
09/13 20:56, , 2F
09/13 20:56, 2F
→
09/13 20:57, , 3F
09/13 20:57, 3F
→
09/13 20:59, , 4F
09/13 20:59, 4F
→
09/13 21:34, , 5F
09/13 21:34, 5F