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

Given: The complex function is fz=z4-2z3+6z2-2z+5 for all z∈C. One of the root is (1+2i)

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} .

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} .

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter4: Polynomial And Rational Functions

Section4.4: Complex And Rational Zeros Of Polynomials

Problem 36E

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Question

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

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