Question

write all the formula of arithmetic progression chapter​

Answer 1

Answer:

I don't know

Step-by-step explanation:

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Answer 2

Answer:

Then the formula to find the sum of an arithmetic progression is Sn = n/2[2a + (n − 1) × d] where, a = first term of arithmetic progression, n = number of terms in the arithmetic progression and d = common difference.

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