已知函数f(x)=根号三次方(3x-1)/(ax^2+ax-3)的定义域为R,则实数a的取值范围为?A a>1/3B-12<a<0C-12<a小于等于0Da小于等于1/2
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/09 04:49:28
![已知函数f(x)=根号三次方(3x-1)/(ax^2+ax-3)的定义域为R,则实数a的取值范围为?A a>1/3B-12<a<0C-12<a小于等于0Da小于等于1/2](/uploads/image/z/1088788-4-8.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3D%E6%A0%B9%E5%8F%B7%E4%B8%89%E6%AC%A1%E6%96%B9%283x-1%29%2F%28ax%5E2%2Bax-3%29%E7%9A%84%E5%AE%9A%E4%B9%89%E5%9F%9F%E4%B8%BAR%2C%E5%88%99%E5%AE%9E%E6%95%B0a%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%E4%B8%BA%3FA+a%26gt%3B1%2F3B-12%26lt%3Ba%26lt%3B0C-12%26lt%3Ba%E5%B0%8F%E4%BA%8E%E7%AD%89%E4%BA%8E0Da%E5%B0%8F%E4%BA%8E%E7%AD%89%E4%BA%8E1%2F2)
xՒNA_@,m5X{53-]*jMTTP R
|ܙ.UHof|9Yi[ZċPyXmvw)C<-_iy|}m;|i\kNާ^1+݃,_&GC4<^J!@ (wL
ّ';e"56
9 hxV8OCуY
H߆VԶ솴BK% F4_Rю2Z0D$/XAI@n #IAPI҈
LQd2IJ܌
̜I(1MKdŢ