... lời 1 1 1 3 ( 3 )( 2) ( 2 )(4 7)x x x x x + + + + + + + = 2 1 1 ( 3 )( 2) ( 3 )( 2) ( 2 )(4 7) x x x x x x x + + + + + + + + + = 3 1 ( 3 )( 2) ( 2 )(4 7) x x x x x + + + + + + = 1 1 2 ( 2 )(4 7)x x x ... 2 2 2 ( 2 )( 2) 3( 2) 14 ( 2) ( 2) ( 2) ( 2) ( 2) ( 2) x x x x x x x x x x + − + − + + + − + − + − = 2 2...
... 3 3 2( 1) ( 1 )( 1) 2( 1) x x x x x x + + + − − + − + g 2 4 4 5 x − = 2 ( 1) 6 ( 3 )( 1) 4( 1 )( 1) 2( 1 )( 1) 5 x x x x x x x + + − + − − + − + g = 2 2 2 1 6 2 3 4( 1 )( 1) 2( 1 )( 1) ... = (2 1 )(2 1) (2 1 )(2 1) (2 1 )(2 1) x x x x x x + + − − − + − = 8 (2 1 )(2 1) x x x+ − 2 1 2 1 10 5 2 1 2 1 4 x x x x x x...
... + + + + = + MTC = ( 1 )( 1)x x x+ 2 2 2 ( 3) ( 1 )( 1) (1 ) ( 1 )( 1) ( 1 )( 1) ( 3) ( 1) ( 1 )( 1) ( 1 )( 1) 3 2 1 1 ( 1 )( 1) ( 1 )( 1) 1 ( 1) x x x x x x x x x x x x x x x x x x x x x x x x x ... 2 ( 1) ( 1)x x + 2 2 (3 1 )( 1) ( 1) ( 3 )( 1) (3 ) ( 1) ( 1) x x x x x x x + + + = +...