A partial sum of an arithmetic sequence is given. Find the sum. 22(7 − 8n)n = 0 S =
Question
Solution 1
The given equation is 22(7 - 8n)n = 0. This equation is equal to zero when n = 0 or 7 - 8n = 0.
Let's solve for n:
7 - 8n = 0 8n = 7 n = 7/8
So, the possible values for n are 0 and 7/8.
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