• 2022-07-27
    利用拉格朗日公式证明不等式:当[tex=5.929x2.214]zPLPjFYQ4mQ2fmWRMMNGOtCY4NB+x22M4zX5JVCAn9SD21BLupKLthzu9B5FP2nSGHHKAipj51HLeXfCnwTjlw==[/tex]时,[tex=6.429x1.357]O/i6qRt0yHnu8alpEjpHcKGLjsR+3tOn4MMcdwRnTKA=[/tex](等号只有在[tex=2.429x1.0]bOlCq/PHWhsSVMaVf7Obdg==[/tex]时成立).