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Question
Mathematics
If (x+iy) (2-3i)=4+i, then values of x, y are
Q. If
(
x
+
i
y
)
(
2
−
3
i
)
=
4
+
i
, then values of
x
,
y
are
1968
214
Complex Numbers and Quadratic Equations
Report Error
A
1
,
3/13
9%
B
2
,
5/13
25%
C
13
5
,
13
14
53%
D
0
,
2
13%
Solution:
(
x
+
i
y
)
(
2
−
3
i
)
=
4
+
i
⇒
2
x
+
3
y
+
i
(
−
3
x
+
2
y
)
=
4
+
i
Equating real and imaginary parts, we get
2
x
+
3
y
=
4
,
−
3
x
+
2
y
=
1
Solving these, we get
x
=
13
5
,
y
=
13
14