Suppose that_F(s) = L{f(t)} exists for s> a ≥ 0. a) Show that if c is a positive constant, then £{f(ct)} = e{f(et)} = ! F[ª] b) Show that £~¹{F(ks)} = = k 1 = c) If a and bare constants with a > 0, then £¹{F(as+b)} : s> ca. bt +18 a

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Suppose that_F(s) = L{f(t)} exists for s> a ≥ 0.
a) Show that if c is a positive constant, then £{f(ct)} =
e{f(et)} = ! F[ª]
b) Show that £~¹{F(ks)} =
=
k
1
=
c) If a and bare constants with a > 0, then £¹{F(as+b)} :
s> ca.
bt
+18
a
Transcribed Image Text:Suppose that_F(s) = L{f(t)} exists for s> a ≥ 0. a) Show that if c is a positive constant, then £{f(ct)} = e{f(et)} = ! F[ª] b) Show that £~¹{F(ks)} = = k 1 = c) If a and bare constants with a > 0, then £¹{F(as+b)} : s> ca. bt +18 a
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