å 为两个æ°ç¸ä¹ï¼ç»æ大äºé¶ï¼å æ¤è¿ä¸¤ä¸ªæ°é½æ¯æ£æ°ï¼æè
é½æ¯è´æ°ãåæ ·ï¼å¯¹äºä»£æ°å¼ä¹æ¯è¿æ ·ï¼ä¸¤ä¸ªå¼åç¸ä¹ï¼ç»æ大äºé¶ï¼å æ¤è¿ä¸¤ä¸ªå¼åé½ä¸ºæ£ï¼æè
é½ä¸ºè´ã
å³ä¸¤å¼é½ä¸ºæ£å¾ï¼3x-4>0并ä¸x+1>0ï¼å¾x>4/3ä¸x>-1,å æ¤x>4/3
两å¼é½ä¸ºè´ï¼å¾3x-4<0并ä¸x+1<0ï¼å¾x<4/3ä¸x<-1, å æ¤x<-1
æ以æç»ç»æ为x>4/3ï¼ä¿è¯ä¸¤å¼åé½ä¸ºæ£ï¼æx<-1ï¼ä¿è¯ä¸¤å¼åé½ä¸ºè´ï¼
温馨提示:答案为网友推荐,仅供参考