• 2022-05-31
    设函数[tex=1.857x1.357]bZ4KhrFbnCaidqbMGQZfww==[/tex]在[tex=2.071x1.357]/jRCnEDg+77BnalTVEbF6A==[/tex]上二次可微,且[tex=3.071x1.357]3CeWrTMZw+viSyeUZbaj1w==[/tex],[tex=4.214x1.429]/FYTUVhgTPYa3RqQR+bSSboa6D/XLbmXd9JTiYswCv4=[/tex],试证 : 当 [tex=4.286x1.143]JRTsWx9sezszoSh9gbgd7VAyWEWGcTzscU7LpKj47iQ=[/tex]时,[tex=2.143x2.429]HwVdzt6wa3cwMykjqRCMsXak3QAkdrttto5Ln/BRzeQ=[/tex]也单调增加.
  • 举一反三