é¶ç¹çå®ä¹æ¯ï¼ä½¿y=f(x)ä¸f(x)=0çé£ä¸ªxå°±å«åè¿ä¸ªå½æ°çé¶ç¹ã
å½æ°y=f(x)æé¶ç¹ çä»·äº
å½æ°y=f(x)ä¸xè½´æäº¤ç¹ çä»·äº
æ¹ç¨f(x)=0æå®æ°æ ¹
注æé¶ç¹ä¸æ¯åæ ï¼èæ¯ä½¿å½æ°å¼yçäºé¶çé£äºèªåéxçå¼ã
温馨提示:答案为网友推荐,仅供参考