Tru or False: write the word TRUE if the statement is correct; otherwise, write FALSE. please answer 4 to 6 :)

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.1: Sequences And Series
Problem 9ECP: For the series i=1510i find (a) the fourth partial sum and (b) the sum. Notice in Example 9(b) that...
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Tru or False: write the word TRUE if the statement is correct; otherwise, write FALSE.

please answer 4 to 6 :)

ratio is always positive.
-4. A sequence is defined by un41 = un + 4 for n 1.
35
Hence, E, (un) # E (un).
50
36
5. The first and 25th term of the sequence a, = (-1)"-1(n – 1) are both positive.
6. The summation notation of the series 10 - 5 +
:-:+ is the summation of the
2 4
8.
1
geometric series =1(a1 r"). Where a, = 10 and r = 2
2
1onoo described by the equation
-2+3(n-1) has its suum equal to
Transcribed Image Text:ratio is always positive. -4. A sequence is defined by un41 = un + 4 for n 1. 35 Hence, E, (un) # E (un). 50 36 5. The first and 25th term of the sequence a, = (-1)"-1(n – 1) are both positive. 6. The summation notation of the series 10 - 5 + :-:+ is the summation of the 2 4 8. 1 geometric series =1(a1 r"). Where a, = 10 and r = 2 2 1onoo described by the equation -2+3(n-1) has its suum equal to
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