To find the function (f(n) = \sum_{k=1}^n k^3), we use the known formula for the sum of the first (n) cubes.
Key Insight:
The sum of the first (n) cubes equals the square of the sum of the first (n) integers.
The sum of the first (n) integers is:
[S = \sum_{k=1}^n k = \frac{n(n+1)}{2}]
Squaring this gives the sum of cubes:
[f(n) = S^2 = \left(\frac{n(n+1)}{2}\right)^2]
Simplification:
[f(n) = \frac{n^2(n+1)^2}{4}]
Answer: (\boxed{\dfrac{n^2(n+1)^2}{4}})

(免责声明:本文为本网站出于传播商业信息之目的进行转载发布,不代表本网站的观点及立场。本文所涉文、图、音视频等资料的一切权利和法律责任归材料提供方所有和承担。本网站对此资讯文字、图片等所有信息的真实性不作任何保证或承诺,亦不构成任何购买、投资等建议,据此操作者风险自担。) 本文为转载内容,授权事宜请联系原著作权人,如有侵权,请联系本网进行删除。