1. In a certain arithmetic progression, the sum of the first and fifth terms is 18 and the third term is 6 less than the fifth term. Find the sum of the first twenty terms.
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abdulrahimseleman
Asked:
December 2022
. In a certain arithmetic progression, the sum of the first and fifth terms is 18 and the third term is 6 less than the fifth term. Find the sum of the first twenty terms.
abdulrahimseleman
Asked:
December 2022
Given that in a Geometric progression the first term is different from the second term and the first term is x and the common ratio is y. Find the values of (x+y) and (x-y) if the sum of first two terms is 10 and the third term is 5.
abdulrahimseleman
Asked:
December 2022
In a certain geometric progression, the third term exceeds the first term by 9 while the second term exceeds the fourth term by 18. Find the sum of the first four terms.