题目内容
若
(
-ax+b)=2,则a=______,b=______.
| lim |
| x→∞ |
| x2+3x+4 |
| x+1 |
∵
(
-ax+b)=
又
(
-ax+b)=2
∴a=1,b=0;
故答案为1;0.
| lim |
| x→∞ |
| x2+3x+4 |
| x+1 |
| lim |
| x→∞ |
| (a-1)x2+(3-a-b)x+(4-b) |
| x+1 |
又
| lim |
| x→∞ |
| x2+3x+4 |
| x+1 |
∴a=1,b=0;
故答案为1;0.
练习册系列答案
相关题目