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已知直线与曲线相切.(1)求b的值(2)若方程f(x)=x2+m在(0,+∞)上有两个解x...
试题详情
已知直线
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAEEAAAAjCAYAAADLy2cUAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
与曲线
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAF0AAAAjCAYAAAD2WQZyAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
相切.
(1)求b的值
(2)若方程f(x)=x
2+m在(0,+∞)上有两个解x
1,x
2.
求:①m的取值范围 ②比较x
1x
2+9与3(x
1+x
2)的大小.
相关试题
-
已知直线
与曲线
相切.
(Ⅰ)求b的值;
(Ⅱ)若方程f(x)=x2+m在(0,+∞)上有两个解x1,x2,求m的取值范围.
-
已知直线
与曲线
相切.
(Ⅰ)求b的值;
(Ⅱ)若方程f(x)=x2+m在(0,+∞)上有两个解x1,x2,求m的取值范围.
-
已知直线
与曲线
相切.
(Ⅰ)求b的值;
(Ⅱ)若方程f(x)=x2+m在(0,+∞)上有两个解x1,x2,求m的取值范围.
-
已知直线
与曲线
相切.
(1)求b的值
(2)若方程f(x)=x2+m在(0,+∞)上有两个解x1,x2.
求:①m的取值范围 ②比较x1x2+9与3(x1+x2)的大小.
-
已知直线
与曲线
相切.
(1)求b的值
(2)若方程f(x)=x2+m在(0,+∞)上有两个解x1,x2.
求:①m的取值范围 ②比较x1x2+9与3(x1+x2)的大小.
-
已知直线
与曲线
相切.
(1)求b的值
(2)若方程f(x)=x2+m在(0,+∞)上有两个解x1,x2.
求:①m的取值范围 ②比较x1x2+9与3(x1+x2)的大小.
-
已知直线
与曲线
相切.
(1)求b的值
(2)若方程f(x)=x2+m在(0,+∞)上有两个解x1,x2.
求:①m的取值范围 ②比较x1x2+9与3(x1+x2)的大小.
-
已知直线
与曲线
相切.
(1)求b的值
(2)若方程f(x)=x2+m在(0,+∞)上有两个解x1,x2.
求:①m的取值范围 ②比较x1x2+9与3(x1+x2)的大小.
-
已知直线
与曲线
相切.
(1)求b的值
(2)若方程f(x)=x2+m在(0,+∞)上有两个解x1,x2.
求:①m的取值范围 ②比较x1x2+9与3(x1+x2)的大小.
-
已知直线
与曲线
相切.
(1)求b的值
(2)若方程f(x)=x2+m在(0,+∞)上有两个解x1,x2.
求:①m的取值范围 ②比较x1x2+9与3(x1+x2)的大小.