1 . 13 + 23 + 33 + .............. + n3 ধারাটির যোগফল কত?
- A. n(n + 1)2
- B. n(n + 1)(2n + 1)6
- C. n(n + 1)3
- D. {n(n+1)/2}2
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1 . 13 + 23 + 33 + .............. + n3 ধারাটির যোগফল কত?
View Answer | Discuss in Forum | Workspace | Report |