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Vighnesh Reddy S
from
Shanthinikethana English School, Bengaluru
Subject :
IMO
Class :
Class 6
What is the formula to find the sum of n numbers
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Ans 1:
(Master Answer)
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its {n(n+1)}/2
Admin
from
revisewise, Noida
Class :
Class 1
its {n(n+1)}/2
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