﹙1﹚如果对x∈[1,3],不等式x²+2(a-2)x+4>0恒成立,求实数a的取值范围﹙2﹚如果不等式x²-2(a-2)x+4>0在x∈[1,3]上有解,求实数a的取值范围﹙3﹚如果对x∈R,不等式x^4+ax²+1≥0恒成立,求实
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 10:40:20
![﹙1﹚如果对x∈[1,3],不等式x²+2(a-2)x+4>0恒成立,求实数a的取值范围﹙2﹚如果不等式x²-2(a-2)x+4>0在x∈[1,3]上有解,求实数a的取值范围﹙3﹚如果对x∈R,不等式x^4+ax²+1≥0恒成立,求实](/uploads/image/z/1856459-11-9.jpg?t=%EF%B9%991%EF%B9%9A%E5%A6%82%E6%9E%9C%E5%AF%B9x%E2%88%88%5B1%2C3%5D%2C%E4%B8%8D%E7%AD%89%E5%BC%8Fx%26%23178%3B%2B2%28a-2%29x%2B4%3E0%E6%81%92%E6%88%90%E7%AB%8B%2C%E6%B1%82%E5%AE%9E%E6%95%B0a%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%EF%B9%992%EF%B9%9A%E5%A6%82%E6%9E%9C%E4%B8%8D%E7%AD%89%E5%BC%8Fx%26%23178%3B%EF%BC%8D2%28a-2%29x%2B4%3E0%E5%9C%A8x%E2%88%88%5B1%2C3%5D%E4%B8%8A%E6%9C%89%E8%A7%A3%2C%E6%B1%82%E5%AE%9E%E6%95%B0a%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%EF%B9%993%EF%B9%9A%E5%A6%82%E6%9E%9C%E5%AF%B9x%E2%88%88R%2C%E4%B8%8D%E7%AD%89%E5%BC%8Fx%5E4%EF%BC%8Bax%26%23178%3B%EF%BC%8B1%E2%89%A50%E6%81%92%E6%88%90%E7%AB%8B%2C%E6%B1%82%E5%AE%9E)
xUN@J-Dm%?ۊJEl*feJ
#В P@ $K43NV^ƄT9s8ӳYݝcMzܱgqޑMݚٔbHX5dKɘ{oeNMrVEwPyO lX[M~ܖ8ivDNR~2ew*}}7?0<5kNty2'Yr vL"q[^#7>lE<T幡b^75,4|AC۠^"'2OIw#
eS!t^NB VCkHLb1PHA͎Zт63 x=ģ{GhO2pB:Ak7f *x$m"iZ()
.iNnN*B(yN,wU
]