y=(x^2-1)/(x^2+1)用分离常数法求值域

来源：学生作业帮助网编辑：六六作业网时间：2024/11/07 18:38:21

y=(x^2-1)/(x^2+1)用分离常数法求值域y=(x^2-1)/(x^2+1)用分离常数法求值域y=(x^2-1)/(x^2+1)用分离常数法求值域y=(x^2+1-2)/(x^2+1)=1-

y=(x^2-1)/(x^2+1)用分离常数法求值域
y=(x^2-1)/(x^2+1)用分离常数法求值域

y=(x^2-1)/(x^2+1)用分离常数法求值域
y=(x^2+1-2)/(x^2+1)=1-2/(x^2+1)
x^2+1>=1
0