Question 1:
Specify the formula for the arithmetic progression
Question 2:
Find the twenty-first arithmetic term of the following arithmetic series
Question 3:
Find the common ratio of geometric progression if the first element is , and the fifth
.
Question 4:
Find the sum of the first hundred members of the arithmetic progression if the first element is and the difference is
.
Question 5:
In geometric progression we have:
,
. Calculate the sum of the first 3 members of the progression.
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