Given That the Polynomial Function Has the Given Zero, Find $$f ( x ) = x ^ { 4 } - 21 x ^ { 2 } - 100 ; - 2 i$$

Multiple Choice

Given that the polynomial function has the given zero, find the other zeros.
- $$f ( x ) = x ^ { 4 } - 21 x ^ { 2 } - 100 ; - 2 i$$

A) $2 \mathrm { i } , 5 \mathrm { i } , - 5 \mathrm { i }$
B) $2 \mathrm { i } , 10 , - 10$
C) $2 \mathrm { i } , 5 , - 5$
D) $2 \mathrm { i } , 10 \mathrm { i } , - 10 \mathrm { i }$