(
3
-
4i
)
(
3
+
4i
)
=
____________________
+
____________________
(
33
+
39i
)
/
(
1
-
i
)
=
-
____________________
+
____________________
(
1
+
2i
)
/
(
2
+
i
)
=
____________________
/
____________________
+
____________________
/
____________________
(
4
+
6i
)
(
-
2
-
4i
)
=
____________________
-
____________________
(
1
+
i
)
/
(
5
-
i
)
=
____________________
/
____________________
+
____________________
/
____________________
(
1
+
i
)
(
5
+
i
)
=
____________________
+
____________________
