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Find All the Zeros (Real and Complex)of the Function f(x)=x412x264f ( x ) = x ^ { 4 } - 12 x ^ { 2 } - 64

Question 36

Multiple Choice

Find all the zeros (real and complex) of the function.
- f(x) =x412x264f ( x ) = x ^ { 4 } - 12 x ^ { 2 } - 64


A) 2i,2i,8i,8i- 2 \mathrm { i } , 2 \mathrm { i } , 8 \mathrm { i } , - 8 \mathrm { i }
B) 2i,2i,4,4- 2 \mathrm { i } , 2 \mathrm { i } , 4 , - 4
C) 2i,2i,4i,4i- 2 \mathrm { i } , 2 \mathrm { i } , 4 \mathrm { i } , - 4 \mathrm { i }
D) 2i,2i,8,8- 2 \mathrm { i } , 2 \mathrm { i } , 8 , - 8

Correct Answer:

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