คู่มือผู้ใช้

:

 


 3: 2x
3
- 3x
2
0 (MthIO-MathO)
(INEQ) (aX
3
+ bX
2
+ cX + d)
(aX
3
+ bX
2
+ cX + d 0)
2 3
 4: 3x
3
+ 3x
2
- x > 0 (MthIO-MathO)
(INEQ)
(aX
3
+ bX
2
+ cX + d)
(aX
3
+ bX
2
+ cX + d > 0)
3 3 1
:

 



"All Real Numbers" 
 



: x
2
0 (MthIO-MathO)
46