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Byju's Answer
Standard XII
Physics
The Flow of Electrons as Electric Current
Consider the ...
Question
Consider the signal x(n), given below :
x
(
n
)
can be expressed as
a
u
[
b
n
+
c
]
. Then the value of
a
+
b
+
c
=
___
0
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Solution
The correct option is
A
0
a
u
(
b
n
+
c
)
=
−
u
(
−
n
+
2
)
∴
a
=
−
1
;
b = -1;
c = 2
∴
a
+
b
+
c
=
−
1
−
1
+
2
=
0
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0
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