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[单选题]曲线y=lnx在点(e,1)处切线的斜率为().A.B.eC.1D.
[单选题]曲线y=lnx在点(e,1)处切线的斜率为().A.B.eC.1D.
曲线y=lnx在点(e,1)处的切线方程为 ____ .曲线y=lnx在点(e,1)处的切线方程为 ____ .
曲线y=(1)/(x)在点(1,1)处的切线的斜率为( )A. -1B. 1C. 2D. -2
曲线y=lnx在x=1处的切线方程为_______.曲线y=lnx在x=1处的切线方程为_______.
曲线y=x^3在点(1,1)处切线的斜率是()A. 1B. 2C. 3D. 4
已知曲线y=lnx的切线过原点,则此切线的斜率为( )A. eB. -eC. $\frac{1}{e}$D. -$\frac{1}{e}$
双曲线y=(1)/(x)在点(0.5,2)处切线的斜率等于( )A. -4B. -2C. 2D. 1
曲线y=x2在x=1处的切线斜率为( )A. k=0B. k=1C. k=2D. -1/2
曲线y=((e)^x)/(x+1)在点(1,(e)/(2))处的切线方程为( )A. $y=\frac{e}{4}x$B. $y=\frac{e}{2}x$C.