Guest Session: 1 Question Remaining.
Create Account
to save progress.
Login
Complex Numbers
medium
0:00.0
Simplify
1
1
+
i
+
1
1
−
i
\frac{1}{1 + i} + \frac{1}{1 - i}
1
+
i
1
+
1
−
i
1
.
A
1
1
1
B
i
i
i
C
1
−
i
1 - i
1
−
i
D
2
2
2
Submit Answer