Mathematics
Senior High
Resolved
これの計算過程を教えてください🙇♀️お願いします
2
=12{n (n + 1)}*
+2. n (n+1)
....
=n (n + 1) (3n² + 3n+1) (答)
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
Recommended
詳説【数学Ⅰ】第一章 数と式～整式・実数・不等式～
8980
117
詳説【数学Ⅰ】第二章 ２次関数（後半）～最大・最小・不等式～
6128
25
数学ⅠA公式集
5730
20
詳説【数学Ⅱ】第３章 三角関数（前半）～一般角の三角関数～
4913
18