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Mathematics
Problem
Let
z
z
z
be a complex number with
∣
z
∣
=
1
|z| = 1
∣
z
∣
=
1
. Then the maximum value of
∣
z
+
1
∣
+
∣
z
2
−
z
+
1
∣
|z + 1| + |z^2 - z + 1|
∣
z
+
1∣
+
∣
z
2
−
z
+
1∣
is (A)
3
7
6
3\sqrt{\frac{7}{6}}
3
6
7
(B)
13
4
\frac{13}{4}
4
13
(C) 3 (D) 4
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