设函数[tex=8.929x1.286]MHgAgxtvUjqUjNg7ccXsPYfXiUg67jHoQmYipz0iybw=[/tex],则下列结论正确的是[input=type:blank,size:6][/input] .
未知类型:{'options': ['点[tex=2.143x1.286]q8d9ecMZwZI3gbdeOe+7AA==[/tex]是[tex=2.857x1.286]5Gn0okVYhIav2LZhmG03FA==[/tex]的极小值点', '点[tex=2.143x1.286]q8d9ecMZwZI3gbdeOe+7AA==[/tex]是[tex=2.857x1.286]5Gn0okVYhIav2LZhmG03FA==[/tex]的极大值点', '点[tex=2.143x1.286]q8d9ecMZwZI3gbdeOe+7AA==[/tex]不是[tex=2.857x1.286]5Gn0okVYhIav2LZhmG03FA==[/tex]的驻点', '点[tex=2.143x1.286]q8d9ecMZwZI3gbdeOe+7AA==[/tex]不是[tex=2.857x1.286]5Gn0okVYhIav2LZhmG03FA==[/tex]的极值'], 'type': 102}
未知类型:{'options': ['点[tex=2.143x1.286]q8d9ecMZwZI3gbdeOe+7AA==[/tex]是[tex=2.857x1.286]5Gn0okVYhIav2LZhmG03FA==[/tex]的极小值点', '点[tex=2.143x1.286]q8d9ecMZwZI3gbdeOe+7AA==[/tex]是[tex=2.857x1.286]5Gn0okVYhIav2LZhmG03FA==[/tex]的极大值点', '点[tex=2.143x1.286]q8d9ecMZwZI3gbdeOe+7AA==[/tex]不是[tex=2.857x1.286]5Gn0okVYhIav2LZhmG03FA==[/tex]的驻点', '点[tex=2.143x1.286]q8d9ecMZwZI3gbdeOe+7AA==[/tex]不是[tex=2.857x1.286]5Gn0okVYhIav2LZhmG03FA==[/tex]的极值'], 'type': 102}
举一反三
- 如果函数[tex=2.857x1.286]5Gn0okVYhIav2LZhmG03FA==[/tex]在[tex=2.143x1.286]q8d9ecMZwZI3gbdeOe+7AA==[/tex]处连续,那么下列命题正确的是 未知类型:{'options': ['若极限[tex=5.214x3.0]Wh0BbcsxbdPTUak0FdVk/fJwyU4OoxQUX91V8b6bv9af3yJYy4Q0UrMLNE88di4Hq9LgtwS/KzFfyUl/NwIdG0uuRWCbiUPUvjsrvsExMqo=[/tex]存在,则[tex=2.857x1.286]5Gn0okVYhIav2LZhmG03FA==[/tex]在[tex=2.143x1.286]q8d9ecMZwZI3gbdeOe+7AA==[/tex]处可微', '若极限[tex=4.929x3.0]Wh0BbcsxbdPTUak0FdVk/fJwyU4OoxQUX91V8b6bv9af3yJYy4Q0UrMLNE88di4Hq9LgtwS/KzFfyUl/NwIdG2XN3lQZOaDX3d5WQLFI+lo=[/tex]存在,则[tex=2.857x1.286]5Gn0okVYhIav2LZhmG03FA==[/tex]在[tex=2.143x1.286]q8d9ecMZwZI3gbdeOe+7AA==[/tex]处可微', '若[tex=2.857x1.286]5Gn0okVYhIav2LZhmG03FA==[/tex]在[tex=2.143x1.286]q8d9ecMZwZI3gbdeOe+7AA==[/tex]处可微,则极限[tex=5.214x3.0]Wh0BbcsxbdPTUak0FdVk/fJwyU4OoxQUX91V8b6bv9af3yJYy4Q0UrMLNE88di4Hq9LgtwS/KzFfyUl/NwIdG0uuRWCbiUPUvjsrvsExMqo=[/tex]存在', '若[tex=2.857x1.286]5Gn0okVYhIav2LZhmG03FA==[/tex]在[tex=2.143x1.286]q8d9ecMZwZI3gbdeOe+7AA==[/tex]处可微,则极限[tex=4.929x3.0]Wh0BbcsxbdPTUak0FdVk/fJwyU4OoxQUX91V8b6bv9af3yJYy4Q0UrMLNE88di4Hq9LgtwS/KzFfyUl/NwIdG2XN3lQZOaDX3d5WQLFI+lo=[/tex]存在'], 'type': 102}
- 函数[tex=7.5x1.286]Lem/t5JVXaKdESbPkrxxW/TooHpEOSdyDLGlOe01o0I=[/tex]的极值点是 未知类型:{'options': ['[tex=2.143x1.286]q8d9ecMZwZI3gbdeOe+7AA==[/tex]', '[tex=2.143x1.286]VykF7BpO3NFT550xU7Tx1w==[/tex]', '[tex=2.143x1.286]xFRFgvSxDEv0XaioRgmbFw==[/tex]', '[tex=3.143x2.357]/Ct4zgqkDjOrCNyHxpQhxbM/w/6kzhRDzkJyw6jvc5bMbM6o6Eh3h/cCRAFie94N[/tex]'], 'type': 102}
- 设[tex=17.571x4.786]3hRmRrUJOhe4GuvitGjZ3LCuDVr1Z6WdsUcr7PQPj2kTT00g4mp85UwxTH/kXkD+ybeO7aOS8kSV3tbC89m3b2Ck0miGmly0pm+FClpDPAEtqE2vOEDuzvMgjqFNlezRBP8rndfFXSHfHh6RYLrK3UhaKTHTOx2xDxivrVzX7f93vapCdLcy0/whF3VIByJbzsP7B0UYWM5rnEH0mreLbQ==[/tex]证明[tex=2.857x1.286]tj1rvgP4AHIdbrLux0kAEQ==[/tex]在点[tex=2.143x1.286]q8d9ecMZwZI3gbdeOe+7AA==[/tex]处连续且偏导数存在,但不可微分。
- 二元函数 [tex=2.857x1.286]5Gn0okVYhIav2LZhmG03FA==[/tex] 在 [tex=2.143x1.286]q8d9ecMZwZI3gbdeOe+7AA==[/tex] 处可微的一个充分条件是( )。 未知类型:{'options': ['[tex=13.357x1.786]NjUXO9KZXk2clYkYYuKhw4oFM+7rbXmXWIFddZJHn3Jf08618Y3CsG0GgAY+hwAhZEuH37aEZNXvkin5X+skhg==[/tex]', '[tex=11.0x2.071]/N7iQJH5tJ1CHV4Wb82/t+m1VrmAWkUEBnqiK0DJlpiWKQynDng0M3hSCG31GcbkS2XwdMpsoA2JJU/kwrMzaQ==[/tex]\xa0且\xa0[tex=10.929x2.286]XQYnL75EQIkeuGDGiWWbWqPaBpuZ94rvaM71e0W+VpgiwOSMlQJjevmXPK6/cdm9M2fiyUeNTpmh+wrfz+kCIQ==[/tex]', '[tex=13.286x2.5]NjUXO9KZXk2clYkYYuKhw6vCKhP8AETHzmQ42C+xoK0mr+WRHNc1qwvPprvmnkfKMcSnBdhaYfvACYeRn/9wdfC9DUR3N9IZGKfpfT9/wAS/oNW4BNJvwl86vFIWXQWR[/tex]', '[tex=11.643x1.571]/N7iQJH5tJ1CHV4Wb82/twICu59OXIfWSHjvVo08OhSPL8awX/Rqf8y8KrpYCu3/Vj3n/xu6CF7GQSvJdxsBCQ==[/tex]\xa0且\xa0[tex=11.286x1.714]XQYnL75EQIkeuGDGiWWbWvV84ENa/So+WfDhDZ1eP46cXUAs3IAnIa0H6GWUY5qUkfLpMeYfQDkG5IkJDm8X7Q==[/tex]'], 'type': 102}
- 设函数[tex=2.857x1.286]5Gn0okVYhIav2LZhmG03FA==[/tex]具有一阶连续偏导数,且[tex=13.571x1.286]VOU/tHSeGsIk9eHYlYm4FrCyl32WhoDWlaPeybJHZfgvd6jdBhnZm8jDni7QRyr9[/tex],[tex=4.571x1.286]q53cc+Lp7rGf0mrWeT+1DA==[/tex],则[tex=3.857x1.286]yadjfSWB95Np7YOScW41vQ==[/tex][input=type:blank,size:4][/input]。