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方程z3-5z2-2z+11=0在单位圆内根的个数为 ( )
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方程z3-5z2-2z+11=0在单位圆内根的个数为 ( )
A、1
B、2
C、3
时间:2021-09-02 13:19
关键词:
联大
信阳师范学院
复变函数论
答案解析
D
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