• 2022-10-25
    验证下列 [tex=9.0x1.357]KHYl3O4wgiPzNAlhzNxzCuAEYDdp1CBW7ut5a9Gx98Q+1hayN1FZ4CXP5l4IA3kQ[/tex] 在整个 [tex=1.857x1.214]8v+QaGH4dkCVbzRhgAvkuw==[/tex] 平面内是某一函数 [tex=2.857x1.357]5qODqd/qaxuX0gsrn/6whQ==[/tex] 的全微分,并求这样一个 [tex=20.5x1.571]MQWhKUl7e9wteua8HBmoGYbTGztbrdD4IfkfaFU7ie9EYxhOxi51QOhjMBuwzrilLIk2fZpXv/oqtUm4rt1/NJZfsbn8Nzt3Ev3/5kVV5BefeyGSNsLc29v/QpZlh5B3crJMCFkzzDmXzU3bIzLM2z+ze+wddAhwaYZHgRE49CQ=[/tex]