Find the sum of the first 25 terms of the arithmetic series: -5, -4, -3, -2, -1, … Solution:- Find an by using the explicit formula for arithmetic sequences: an…
Tag: arithmetic sequences
Problem 736
Find the 100th term of the sequence: -4, -2, 0, 2, …. Solution:- Find the common difference and use the explicit formula for arithmetic sequences: . an = a1 +…
problem 685
Find the tenth term of the sequence: 1, 9, 17, 25, …. Solution:- Find the common difference and use the explicit formula for arithmetic sequences: an =…
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