Use the formula for the sum of the first n integers and/or the formula for the sum of a geometric sequence to evaluate the sums in the following or to write them in closed form. I. II. III. IV. V. a. 1+ 2+ 2² +...+ 225 b. 2+ 2² + 2³ + ... + 226 3 + 3² + 3³ + ... + 3ª ‚where n is an integer with n ≥ 1 1 + I. 53 +54 +55 + ... + 5k, where k is any integer with k ≥ 3. I. + 1 - 2 + 2² 1 - V. 2³ + where n is a positive integer a. 67,108,863 b. 134,217,726 V. (1 + (-1)n-12) V. + (−1)n 2n, where n is a positive integer a. 67,108,863 b. 134,217,726 V. (1+(-1) 2n+1) I. a. 67,108,863 b. 134,217,726 V. (1 + (−1)n-1 2n+1) I. a. 67,108,863 b. 134,217,726 (1 + (-1)n-1 2n+1 ) 3 I. a. 67,108,243 b. 134,209,726 ( 1 + ( − 1 )n 2n+1 ) II. II. II. II. II. 3 (3¹1) 2 3 (31) 3 (3¹ 3 (3¹ 1) 1) 3 (31) 2 III. III. |||. |||. |||. 5k 1 4 5k+1 - 1 4 5x+1 5x+1 - 1 – 1 5k+1 - 1 4 31 I 31 31 31 31 IV. 2- IV. 2 IV. 2 IV. 2 IV. 2 1 978 1 2" 1 2n-1 1 2n 1 2"

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Use the formula for the sum of the first n integers and/or the formula for the sum of a geometric
sequence to evaluate the sums in the following or to write them in closed form.
I.
II.
III.
IV.
V.
a. 1+ 2+ 2² +...+ 225
b. 2+ 2² + 2³ + ... + 226
3 + 3² + 3³ + ... + 3ª ‚where n is an integer with n ≥ 1
1 +
I.
53 +54 +55 + ... + 5k, where k is any integer with k ≥ 3.
I.
+
1 - 2 + 2²
1
-
V.
2³ +
where n is a positive integer
a. 67,108,863
b. 134,217,726
V. (1 + (-1)n-12)
V.
+ (−1)n 2n, where n is a positive integer
a. 67,108,863 b. 134,217,726
V. (1+(-1) 2n+1)
I.
a. 67,108,863 b. 134,217,726
V. (1 + (−1)n-1 2n+1)
I. a. 67,108,863 b. 134,217,726
(1 + (-1)n-1 2n+1 )
3
I.
a. 67,108,243 b. 134,209,726
( 1 + ( − 1 )n 2n+1 )
II.
II.
II.
II.
II.
3 (3¹1)
2
3 (31)
3 (3¹
3 (3¹
1)
1)
3 (31)
2
III.
III.
|||.
|||.
|||.
5k 1
4
5k+1 - 1
4
5x+1
5x+1
- 1
– 1
5k+1 - 1
4
31
I
31
31
31
31
IV. 2-
IV.
2
IV. 2
IV. 2
IV.
2
1
978
1
2"
1
2n-1
1
2n
1
2"
Transcribed Image Text:Use the formula for the sum of the first n integers and/or the formula for the sum of a geometric sequence to evaluate the sums in the following or to write them in closed form. I. II. III. IV. V. a. 1+ 2+ 2² +...+ 225 b. 2+ 2² + 2³ + ... + 226 3 + 3² + 3³ + ... + 3ª ‚where n is an integer with n ≥ 1 1 + I. 53 +54 +55 + ... + 5k, where k is any integer with k ≥ 3. I. + 1 - 2 + 2² 1 - V. 2³ + where n is a positive integer a. 67,108,863 b. 134,217,726 V. (1 + (-1)n-12) V. + (−1)n 2n, where n is a positive integer a. 67,108,863 b. 134,217,726 V. (1+(-1) 2n+1) I. a. 67,108,863 b. 134,217,726 V. (1 + (−1)n-1 2n+1) I. a. 67,108,863 b. 134,217,726 (1 + (-1)n-1 2n+1 ) 3 I. a. 67,108,243 b. 134,209,726 ( 1 + ( − 1 )n 2n+1 ) II. II. II. II. II. 3 (3¹1) 2 3 (31) 3 (3¹ 3 (3¹ 1) 1) 3 (31) 2 III. III. |||. |||. |||. 5k 1 4 5k+1 - 1 4 5x+1 5x+1 - 1 – 1 5k+1 - 1 4 31 I 31 31 31 31 IV. 2- IV. 2 IV. 2 IV. 2 IV. 2 1 978 1 2" 1 2n-1 1 2n 1 2"
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