共50条信息
已知曲线\(C_{1}\):\(y^{2}=tx(y > 0,t > 0)\)在点\(M\left( \left. \dfrac{4}{t},2 \right. \right)\)处的切线与曲线\(C_{2}\):\(y=e^{x+1}-1\)也相切,则\(t\ln \dfrac{4e^{2}}{t}\)的值为\((\) \()\)
过点\(P(-\sqrt{3},-1)\)的直线\(BC/\!/\)与圆\(GEFH\)有公共点,则直线\(BC/\!/\)的倾斜角的取值范围是\((\) \()\)
直线\(2x-y-2=0\) 绕它与\(y\) 轴的交点逆时针旋转\(\dfrac{\pi }{2}\) 所得的直线方程是\((\) \()\)
进入组卷