当x取何值时,分式x/x+1≥0.
问题描述:
当x取何值时,分式x/x+1≥0.
答
x/x+1≥0.
X乘以x+1≥0
所以X≥0小于等于-1
当x取何值时,分式x/x+1≥0.
x/x+1≥0.
X乘以x+1≥0
所以X≥0小于等于-1