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Byju's Answer
Standard XII
Mathematics
Complex Numbers
Inequality ...
Question
Inequality
a
+
i
b
>
c
+
i
d
can be explained only when :
A
b
=
0
,
c
=
0
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B
b
=
0
,
d
=
0
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C
a
=
0
,
c
=
0
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D
a
=
0
,
d
=
0
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Solution
The correct option is
A
b
=
0
,
d
=
0
a
+
i
b
>
c
+
i
d
i
s
v
a
l
i
d
o
n
l
y
w
h
e
n
b
=
0
&
d
=
0
a
s
i
n
e
q
u
a
l
i
t
y
i
n
c
o
m
p
l
e
x
n
o
.
i
s
n
o
t
d
e
f
i
n
e
d
.
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