(c) It is known that the sum of a geometric series is given by Σark k=0 for r < 1. Use this fact to show that = a - +3=4**-¹)) -dx dy

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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(c) It is known that the sum of a geometric series is given by
Σ
and
k=0
for |r| < 1. Use this fact to show that
1 1
δ
1
xy
a
1-r
1
∞
da dy = Σ
n=1
1
η2
Transcribed Image Text:(c) It is known that the sum of a geometric series is given by Σ and k=0 for |r| < 1. Use this fact to show that 1 1 δ 1 xy a 1-r 1 ∞ da dy = Σ n=1 1 η2
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