题目
题型:不详难度:来源:
答案
1-0 |
1-0 |
切线的方程为:y-1=-(x-1),即:x+y-2=0
故答案为:x+y-2=0
核心考点
举一反三
A.5x-12y+17=0 |
B.5x-12y+17=0或5x+12y+17=0 |
C.x=-1或5x+12y+17=0 |
D.x=-1或5x-12y+17=0 |
x2 |
16 |
y2 |
4 |
(1)求切线l的方程;
(2)求弦AB的长.
1-0 |
1-0 |
A.5x-12y+17=0 |
B.5x-12y+17=0或5x+12y+17=0 |
C.x=-1或5x+12y+17=0 |
D.x=-1或5x-12y+17=0 |
x2 |
16 |
y2 |
4 |