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)
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