若根号x/根号3 - x=根号下x/3-x,则x的取值范围是
问题描述:
若根号x/根号3 - x=根号下x/3-x,则x的取值范围是
答
3>x>=0
x>=0且3-x>0
若根号x/根号3 - x=根号下x/3-x,则x的取值范围是
3>x>=0
x>=0且3-x>0