Write the formula for the sum of first n
terms of A. P. a, a + d, a + 2d, ............. .
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2
sum of n terms = n/2 [2a+( n-1 )d]
Answered by
1
hey meet here is your answer
The formula for the sum of first n terms is n/2 [2a+(n-1)d].
hope it helps.
pujakahar:
thanks for making this answer as bainliest
hi
hiii
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