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Mathematics
Mathematics
Problem
Express
(
1
+
i
)
−
1
(1+i)^{-1}
(
1
+
i
)
−
1
, (where,
i
=
−
1
i = \sqrt{-1}
i
=
−
1
) in the form
A
+
i
B
A+iB
A
+
i
B
.
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