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已知
∣
z
∣
=
1
,
k
∈
R
|z|=1 , k \in \mathbf{R}
∣
z
∣
=
1
,
k
∈
R
且
z
z
z
是复数,当
∣
z
2
+
k
z
+
1
∣
\left|z^{2}+k z+1\right|
z
2
+
k
z
+
1
的最大值为 3 ,则 ...
Mar 8, 2024
已知
∣
z
∣
=
1
,
k
∈
R
|z|=1 , k \in \mathbf{R}
∣
z
∣
=
1
,
k
∈
R
且
z
z
z
是复数,当
∣
z
2
+
k
z
+
1
∣
\left|z^{2}+k z+1\right|
z
2
+
k
z
+
1
的最大值为 3 ,则
k
=
k=
k
=
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