Math, asked by nehag9684, 6 months ago

প্রথম n সংখ্যক স্বাভাবিক সংখ্যার সমষ্টি
A n
B
n(n+1
2
© an(n+1)(2n + 1)
D
n(n+1)
2

Answers

Answered by sushant3679

0

Answer:

6ohksmzmzldlzlkfkkfjehf

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