Question
Fnd the sum of the finite arithmetic sequence.Sum of the integers from $-100$ to 30
Step 1
The sequence starts from -100 and ends at 30. So, the total number of terms, n, is given by the formula n = last term - first term + 1. Here, the first term, a, is -100 and the last term, l, is 30. So, n = 30 - (-100) + 1 = 131. Show more…
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