Find all x in R* that are mapped into the zero vector by the transformation XAx for the given matrix A. 1 -4 8 -4 A= 0 1 -4 2 -6 8 -2 Select the correct choice below and fill in the answer box(es) to complete your choice. O A. There is only one vector, which is x = O B. X3 O C. X +X2 +X OD. +X4

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