1²+2²+3²+……………+7² ধারাটির সমষ্টি কত?

1²+2²+3²+……………+7² ধারাটির সমষ্টি কত?

a) n(n+1)/2
b) {n(n+1)/2}²
c) n(n+1)(n+2)/6
d) n(n+1)(2n+1)/6

From the Combined Bank Senior Officer May 2024 – Written (BIBM) exam, question 35 of 55.

More from this paper

Previous: What is the antonym of 'transparent'?
Next: What is Padma Shri Award? Mention the name of Renowned Bangladeshi singer who has recently got the Padma Shri Award.
All questions in Combined Bank Senior Officer May 2024 – Written (BIBM)