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Questions and Answers
What is the general formula for the nth term of an arithmetic progression?
What is the general formula for the nth term of an arithmetic progression?
$a_n = a_1 + (n-1)d$
If the 5th term of an arithmetic progression is 23 and the 10th term is 38, what is the common difference?
If the 5th term of an arithmetic progression is 23 and the 10th term is 38, what is the common difference?
3
What is the sum of the first 15 terms of an arithmetic progression where the first term is 8 and the common difference is 4?
What is the sum of the first 15 terms of an arithmetic progression where the first term is 8 and the common difference is 4?
330
