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[" (18) If "z=x+iy(x,y in R,x!=-1/2)," t...

[" (18) If "z=x+iy(x,y in R,x!=-1/2)," the number of values of "],[z" satisfying "|z|^(n)=z^(2)|z|^(n-2)+z|z|^(n-2)+1*(n in N,n>1)" is "],[" a."0],[" 19.If "x" and "y" are complex numbers,then the system of equa- "]

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