• 2022-07-01
    设[img=34x25]1803a4ab7be72c2.png[/img]在[img=17x17]1803a4ab8481ae9.png[/img]的某邻域内具有4阶连续导数,且[img=293x28]1803a4ab8f01cf7.png[/img],则[img=34x25]1803a4ab96e2691.png[/img]在[img=17x17]1803a4ab9f88cdc.png[/img]处取极大值.
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