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Question
Mathematics
Express (-√3+√-2)(2√3-i) in the form a + ib.
Q. Express
(
−
3
+
−
2
)
(
2
3
−
i
)
in the form
a
+
ib
.
3181
195
Complex Numbers and Quadratic Equations
Report Error
A
(
1
−
2
2
)
i
12%
B
(
1
+
2
2
)
i
18%
C
(
−
6
−
2
)
+
3
(
1
+
2
2
)
i
33%
D
(
−
6
+
2
)
+
3
(
1
+
2
2
)
i
36%
Solution:
(
−
3
+
−
2
)
(
2
3
−
i
)
=
(
−
3
+
2
i
)
(
2
3
−
i
)
=
−
6
+
3
i
+
2
6
i
−
2
i
2
=
(
−
6
+
2
)
+
3
(
1
+
2
2
)
i