Related Post: 1 1 2 0 1 1 1 2 0 1 3 16x 2 16x 1 0 1 0 1 2 1 4 ( 1 10 2 0 3 1 0 1 2 1 9 1 3 1 2 )( X 1 ) 0 1 2 * 0 8 * 1 1 1 1 2 1 Y )=- 0 2 Y 1 3x 1 2 1 )( 4x 1 )= 0