X 2 4 2 2x 3 1 3
- X 2 2 2x 3 4 3x 1 3
- 2 x 4 )- 3 2x 1 )=- 3x 5
- 3x 2 7 4 x 1 )/ 5 2 2x 1 )/ 3
- 4x 2 3 2x 1 2 x 3 4
- 3 x 2 2x 3 )- 4 4x 1 )-( 3x 2 2x
- X 2 3x 1 3x 4 5x 3 7x 2 2x 2
- 1 x 2 2 2x 4 3 3x 6
- 5 2 x 4 )/ 3 1 2 2x 3
- 4 x 2 3x 2 3 2x 2 6x 1 1 0
- Differentiate x 2 4 2 2x 3 1 3
- 2 x 1 )- 3 2x 2 )- 4 2x 3 )= 16
- 1 x 2 2 2x 4 vĂ 3 3x 6