Set Cardinality Complex Sum (Jee Mains) | ExamDuo
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Algebra and Representation of Complex Numbers
Medium
Set Cardinality Complex Sum
If the set
R
=
{
(
a
,
b
)
;
a
+
5
b
=
42
,
a
,
b
∈
N
}
has
m
elements and
m
∑
n
=
1
(
1
+
i
n
!
)
=
x
+
i
y
, where
I
=
√
−
1
, then the value of
m
+
x
+
y
is :
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SELECT ONE OPTION
A
8
B
12
C
4
D
5
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