(4k+1)(k+1)大于0 怎么解
问题描述:
(4k+1)(k+1)大于0 怎么解
答
您好:
(4k+1)(k+1)大于0
k>-1/4 或k
(4k+1)(k+1)大于0 怎么解
您好:
(4k+1)(k+1)大于0
k>-1/4 或k