(4k+1)(k+1)大于0 怎么解

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(4k+1)(k+1)大于0怎么解(4k+1)(k+1)大于0怎么解(4k+1)(k+1)大于0怎么解您好:(4k+1)(k+1)大于0k>-1/4或k4k+1大于零且k+1大于零则k大于-1/44k

(4k+1)(k+1)大于0 怎么解
(4k+1)(k+1)大于0 怎么解

(4k+1)(k+1)大于0 怎么解
您好:

(4k+1)(k+1)大于0
k>-1/4 或k

4k+1大于零且k+1大于零 则k大于-1/4
4k+1小于零且k+1小于零 则k小于-1
最终是 k>-1/4 或k<-1