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Factor F(x) into Linear Factors Given That K Is a Zero

Question 339

Multiple Choice

Factor f(x) into linear factors given that k is a zero of f(x) .
- f(x) =4x3+(74i) x2+(1411i) x+3+3i;k=1+if ( x ) = 4 x ^ { 3 } + ( 7 - 4 i ) x ^ { 2 } + ( - 14 - 11 i ) x + 3 + 3 i ; k = 1 + i


A) (x(1+i) ) (x+3) (4x1) ( x - ( 1 + i ) ) ( x + 3 ) ( 4 x - 1 )
B) (x+(1+i) ) (x3) (4x+1) ( x + ( 1 + i ) ) ( x - 3 ) ( 4 x + 1 )
C) (x(1+i) ) (x3) (4x+1) ( x - ( 1 + i ) ) ( x - 3 ) ( 4 x + 1 )
D) (x(1+i) ) (x+2) (4x1) ( x - ( 1 + i ) ) ( x + 2 ) ( 4 x - 1 )

Correct Answer:

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