小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com专题2-4构造函数以及切线归类目录题型01切线求参...................................................................................................................................................................1题型02求“过点”型切线方程...........................................................................................................................................3题型03“过点”切线求参......................................................................................................................................................5题型04“过点”切线条数的判断..........................................................................................................................................7题型05由切线条数求参.......................................................................................................................................................8题型06公切线.....................................................................................................................................................................10题型07特殊构造：幂积型构造.........................................................................................................................................12题型08特殊构造：幂商型构造.........................................................................................................................................15题型09特殊构造：ex的积型构造.....................................................................................................................................16题型10特殊构造：ex的商型构造.....................................................................................................................................18题型11特殊构造：对数型构造.........................................................................................................................................21题型12特殊构造：正弦型构造.........................................................................................................................................23题型13特殊构造：余弦型构造.........................................................................................................................................26题型14复合型构造.............................................................................................................................................................28高考练场..............................................................................................................................................................................30题型01切线求参【解题攻略】求曲线y＝f(x)在点P(x0，f(x0))处的切线方程：(1)求出函数y＝f(x)在点x＝x0处的导数，即曲线y＝f(x)在点P(x0，f(x0))处切线的斜率．(2)切线方程为：y＝y0＋f′(x0)(x－x0)．1、设切点（或者给出了切点）：P(x0，y0)2、y0=f(x0)3、y＝f′(x)k=f′(x0)4、切线方程：y-y0＝k(x－x0)小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com【典例1-1】（2023春·重庆·高二校联考期中）若函数的图象在处的切线与直线垂直，则的值为（）A．B．2或C．2D．1或【答案】B【分析】由两线垂直可知处切线的斜率为5，利用导数的几何意义有，即可求的值.【详解】由题意知：直线的斜率为，则在处切线的斜率为5，又 ，即，∴，解得或，故选：B．【典例1-2】(山东省烟台市2021-2022学年高三数学试题)已知...