Question

Sum of series 1+2+3+dash +n is maths answer

Answer 1

Answer:

here is ur answer

Step-by-step explanation:

The formula says that the sum of the first n terms of our arithmetic sequence is equal to n divided by 2 times the sum of twice the beginning term, a, and the product of d, the common difference, and n minus 1. The n stands for the number of terms we are adding together

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