4. A sequence is defined by un+1 = Un + 4 for n > 1. %3D Hence, E, (un) # E (Un) . Zn=1 236 5. The first and 25th term of the sequence an = (-1)"-1(n – 1) are both positive. %3D 6. The summation notation of the series 10 - 5+ 5 + is the summation of the 2 4 8 geometric series E=1(a1 · r"). Where a, = 10 and r = 23D1 1/7

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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True or False
4. A sequence is defined by un+1 = Un + 4 for n > 1.
Hence, E, (un) # E (Un) .
%3D1
36
5. The first and 25th term of the sequence an = (-1)"-1(n – 1) are both positive.
6. The summation notation of the series 10 - 5+B
5
--+ is the summation of the
2
4
8
geometric series E=1(a1 r"). Where a, = 10 and r =
23D1
Transcribed Image Text:4. A sequence is defined by un+1 = Un + 4 for n > 1. Hence, E, (un) # E (Un) . %3D1 36 5. The first and 25th term of the sequence an = (-1)"-1(n – 1) are both positive. 6. The summation notation of the series 10 - 5+B 5 --+ is the summation of the 2 4 8 geometric series E=1(a1 r"). Where a, = 10 and r = 23D1
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