设有二元函数 [tex=12.214x1.5]yvrr1IZgb1GZUOrfXtiPUOT1azIHgJecPm4fsEzN/BS+6bgn1TSSvn8TjM1RZqgCKWuunT2DwvuWJnF077/Nmw==[/tex]证明:一元函数[tex=8.214x2.786]sUNGNOdavz891e5vvYj4xUo44ubSKRsfhCDkybn+nTeblGaYMd70DdZRkAEb6i5i[/tex]
设有二元函数 [tex=12.214x1.5]yvrr1IZgb1GZUOrfXtiPUOT1azIHgJecPm4fsEzN/BS+6bgn1TSSvn8TjM1RZqgCKWuunT2DwvuWJnF077/Nmw==[/tex]证明:一元函数[tex=8.214x2.786]sUNGNOdavz891e5vvYj4xUo44ubSKRsfhCDkybn+nTeblGaYMd70DdZRkAEb6i5i[/tex]
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