• 2022-06-09
    求下列复合函数的指定阶的偏导数,其中 [tex=0.643x1.286]+RQz+inOZSqc5WvKyEpD0Q==[/tex] 具有二阶连续偏导数:[tex=10.5x2.714]5uz5YpWFwhy+b0+HSpWfKiIZCcQNfMD4PTUShUtDzrn2Si07CSq/7OPBX8nGWF6dT3R9uibVjC0UmtU1e57X+/3Hri/crZemFV3if5OWtVHADBilVp/lKsW+BwHMYFtCAnHCQdKWZRVeaVI41oVEY5LOAT6EGPqR44kUXkSXhzA=[/tex].