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I forgot the arithmatic equations. pls help me |
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Answer» This arithmetic sequence has the FIRST term a1= 4, and a common difference of −5. SINCE we want to find the 125th term, the “n” value would be n = 125. The following are the KNOWN values we will plug into the formula: ... Example 3: If one term in the arithmetic sequence is a21 = –17 and the common difference is d = –3. |
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