[tex=2.286x1.214]mzfvQ+ZkzbhGjVdKTCV0HA==[/tex]求高阶微分[tex=1.429x1.429]VAhmcECxmugZtkaAwDeoXQ==[/tex]([tex=0.571x0.786]c5VsltFnl9nO0qB/vNKOWA==[/tex]是自变量)

[tex=4.571x1.571]VEBjPuCVPL2Zi4+L5hVdoilQ9vbIKjtpES/ICa8XZTk=[/tex]求高阶微分[tex=1.429x1.429]VAhmcECxmugZtkaAwDeoXQ==[/tex]([tex=0.571x0.786]c5VsltFnl9nO0qB/vNKOWA==[/tex]是自变量)

对[tex=2.214x1.214]sy9gaFRMGlrH59gm9bWSDg==[/tex]求[tex=1.429x1.429]VAhmcECxmugZtkaAwDeoXQ==[/tex]，考虑下面两种情形：(1)当[tex=0.571x0.786]c5VsltFnl9nO0qB/vNKOWA==[/tex]是自变量时；(2)当[tex=0.571x0.786]c5VsltFnl9nO0qB/vNKOWA==[/tex]是中间变量时.