5 3 1 x 7 2 2
- 3 x 1 )( x 7 )-( 2x 5 2
- Prove 3 x 1 )( x 7 )-( 2x 5 2 is never positive
- 4 5 2 3 x 1 2 2 7 2
- 5 x 2 3x 3 2 x 1 )( x 2 7
- 5 2x 1 )- 3 3x 2 )= 7 x 4
- 12 6 5 * 3 x 2 * 2 1 7 2 )=
- 1 2 x 1 3 5 x 2 7 9
- Lim x 7 2x 5 1 )/( x 3 3x 2 2
- 4 x 3 )- 5 x 2 )= 7 3x 1 )+ 29
- 2x 1 5 x 2 3 x 7 15
- 2x 4 5 3 x 1 7 2
- 5 x 3 )( x 7 )-( 5x 1 )( x 2 )= 25
- 23 5 1 3 7 x 2 7 3
- 5 x 3 )- 2 x 7 )= 7x 2 2x 1
- 1 3 5 7 99 =( x 2 2