• 2022-06-30
    设[img=34x25]1803a4ab695d831.png[/img]在[img=17x17]1803a4ab7191e17.png[/img]的某邻域内具有4阶连续导数,且[img=293x28]1803a4ab7d81057.png[/img],则[img=34x25]1803a4ab869ee69.png[/img]在[img=17x17]1803a4ab8f0f2f0.png[/img]处取极小值.
  • 举一反三