1. In a GP the 6th term is 16 and the 3rd term is 128. Find the sum of the first 10 terms and the sum to infinity. 2. In an AP the 14th Term is 4 times the 4th Term and the 10th Term is 112. What is the sum of the first twenty terms?
1. In a GP the 6th term is 16 and the 3rd term is 128. Find the sum of the first 10 terms and the sum to infinity. 2. In an AP the 14th Term is 4 times the 4th Term and the 10th Term is 112. What is the sum of the first twenty terms?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 53E
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1. In a GP the 6th term is 16 and the 3rd term is 128.
Find the sum of the first 10 terms and the sum to infinity.
2. In an AP the 14th Term is 4 times the 4th Term and the 10th Term is 112.
What is the sum of the first twenty terms?
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