23. (2021春•石首市校级月考)已知曲线S:y=2x−x3S:y=2x-x^{3}S:y=2x−x3.(1)求曲线SSS在点A(1,1)A(1,1)A(1,1)处的切线方程;(2)求过点B(2,0)B(2,0)B(2,0)并与曲线SSS相切的直线方程.