Math: Solve 2X^2 -7X +6 >= 0
回答 (2)
2014-01-10 8:03 pm
✔ 最佳答案
Solve 2x^2－7x+6 >= 0Sol
2x^2－7x+6>=0
(2x－3)(x－2)>=0
(x－3/2)(x－2)>=0
(x－2)(x－3/2)>=0
x－2>=0 or x－3/2<=0
x>=2or x<=3/2
2014-01-10 7:47 pm
2X² -7X +6 ≥ 0
(2X-3)(X-2)≥0
X≥ 2 or 3/2
2014-01-10 11:49:57 補充：
or ≤ 3/2
2014-01-10 11:50:51 補充：
∴3/2 ≥ X ≥ 2
(2X-3)(X-2)≥0
X≥ 2 or 3/2
2014-01-10 11:49:57 補充：
or ≤ 3/2
2014-01-10 11:50:51 補充：
∴3/2 ≥ X ≥ 2
收錄日期: 2021-04-13 19:54:03
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https://hk.answers.yahoo.com/question/index?qid=20140110000051KK00030