Math, asked by harshpreet49, 9 months ago

to form a cube and find the firmolue​

Answers

Answered by SJanane1984
1

Answer:

This is the answer.

Hope this helps you.

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Answered by vani110886
3

Step-by-step explanation:

sum n*(n+1)/2

example: 200*(201)/2= 20100

210*(11)/2=55

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