6. Suppose that 1+2i is a complex zero of f(z)= z* – 2z³ +6z² – 2z +5, for all z eC then the other zeros are: c. {2i+1,2i – 1,i,–i}. а. {1+21,1-21,1,-1}. d. {2i,-2i,i,-i} . b. {1+2i,1– 2i,i,-i} . e. {2+i,2-i,i,-i} .

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