(1/2)X>(1/3)X
问题描述:
(1/2)X>(1/3)X
4X-3≥1
上面两个不等式组成一个不等式组,
答
(1/2)x>(1/3)x ===> (1/2-1/3)x>0 ===> (1/6)x>0 ===>x>0
4x-3>=1 ===> 4x>=4 ===>x>=1
取交集,得:x>=1,
所以 不等式组的解集为:{x| x>=1}.