题目Cau 95. Phuong trinh tiep tuyen cù a do t hinsiv=(lnx+2)/(lnx-1)tan1dte^ix=11 a:b tai diem x = 1 là: B In x- 1 A.y=3x-1 B.y=-3x+1 C.y=-3x+3 D.y= 3x+1 相关知识点: 试题来源: 解析 B 反馈 收藏
Cau 19. Trong mat phang Oxycho(C):(x-2)^2+(y-1)^2=4 iet phuong trinh tiep tuyen cua duong tron (C), biet tiep tuyen song song voi d : 4z - 3y - 5 = 0. A 3r +4y-1=0 hoac 3r +4y-21 =0. B. 4r- 3y-1-0 hoac 4z- 3y + 21-0. C 4r-3y-1-0 hoac ...