0 7 f(t) 3 2 10 -1 -3 (b) Express f (t) in terms of the unit step function uc(t). f(t) = 1– 3uz (t – 3) – u5(t) + 5 u7(t)

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
1,
0<t< 3
–2, 3<t<5
-3, 5<t<7
t>7
|
f(t) =
2,
f(t) 3
1
10
4.
(b) Express f (t) in terms of the unit step function u.(t).
f(t) =1- 3uz (t – 3) – uz(t) +5 u7(t)
Transcribed Image Text:1, 0<t< 3 –2, 3<t<5 -3, 5<t<7 t>7 | f(t) = 2, f(t) 3 1 10 4. (b) Express f (t) in terms of the unit step function u.(t). f(t) =1- 3uz (t – 3) – uz(t) +5 u7(t)
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