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For k=1,2,…9, if we define zk=cos(3kπ/10)+isin(2k...
1.
For k=1,2,…9, if we define zk=cos(3kπ/10)+isin(2kπ/10), then is it possible that z1×z=zk has no Solution z?
A.
True
B.
False
Answer» C.
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