Math, asked by mannu4543, 7 months ago

what is the formula for sum of AP ( airthmetic progression )

Answers

Answered by Anonymous

1

Answer:

sn =n/2 (2a+(n-1)×d)

Step-by-step explanation:

n is no of terms

a is first term

d is difference of two terms

mark as brainliest hope its helpful

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