设曲线与直线x=-1的交点为为p,曲线在点p处的切线方程是:()
A . 2x-y+2=0
B . 2x+y+1=0
C . 2x+y-3=0
D . 2x-y+3=0
[试题]曲线y=x+ln x在点(1,1)处的切线方程为________________.
[主观题]曲线y=x3—2x在点(1,-1)处的切线方程为 .
[主观题]曲线y=x2+1在点(1,2)处的切线方程为__________.
[单选题]设曲线y=y(x)上点P(0,4)处的切线垂直于直线x-2y+5=0,且该点满足微分方程y″+2y′+y=0,则此曲线方程为()。A.B.C.D.
[单选题]设曲线y=y(x)上点P(0,4)处的切线垂直于直线x-2y+5=0,且该点满足微分方程y″+2y′+y=0,则此曲线方程为()。A.B.C.D.
[单选题]曲线y=x2-3x+1在点P(1,-l)处的切线的倾斜角为 ( )A.AB.BC.CD.D
[主观题]曲线y=x3+1在点(1,2)处的切线方程是__________.
[单选题]曲线y=x㏑x的平行于直线x-y+1=0的切线方程为().A . y=x-1B . y=-(x+1)C . y=(㏑x-1)(x-1)D . y=x
[单选题]曲线y=x3-5x+l在点(2,-l)处的切线方程为 ( )A.7x—Y一15—0B.7x-Y+15=0C.x+y-1=0D.z+y+1=0
[问答题]曲线sin(xy)+ln(y-x)=x在点(0,1)处的切线方程是----------.