• 2022-06-16 问题

    If a sequence $\{u_n\}$ satisfies $|u_2-u_1|+|u_3-u_2|+\cdots+|u_n-u_{n-1}|+\cdots\leq c$, then is $\{u_n\}$ convergent? A: It can not be convergent. B: It must be convergent. C: It is convergent in some cases, but is not in other cases.

    If a sequence $\{u_n\}$ satisfies $|u_2-u_1|+|u_3-u_2|+\cdots+|u_n-u_{n-1}|+\cdots\leq c$, then is $\{u_n\}$ convergent? A: It can not be convergent. B: It must be convergent. C: It is convergent in some cases, but is not in other cases.

  • 2022-05-28 问题

    _____ refers to the process whereby a single physical computer can support multiple operating systems. A: Convergent device B: Virtualization C: Dependency D: File compression

    _____ refers to the process whereby a single physical computer can support multiple operating systems. A: Convergent device B: Virtualization C: Dependency D: File compression

  • 2022-05-30 问题

    中国大学MOOC: 根据《马约》中有关加入欧盟国家趋同标准(Convergent Criteria)的规定,政府年度预算赤字不能超过国内生产总值的( )。

    中国大学MOOC: 根据《马约》中有关加入欧盟国家趋同标准(Convergent Criteria)的规定,政府年度预算赤字不能超过国内生产总值的( )。

  • 2022-06-07 问题

    CPS has such core principles as _________.( ) A: Divergent and convergent thinking must be balanced. B: Defer or suspend judgment. C: Focus on “Yes, and,” rather than “No, but.” D: Ask problems as questions.

    CPS has such core principles as _________.( ) A: Divergent and convergent thinking must be balanced. B: Defer or suspend judgment. C: Focus on “Yes, and,” rather than “No, but.” D: Ask problems as questions.

  • 2022-05-27 问题

    Which of the following is true? A: Every bounded sequence is convergent. B: An increasing sequence, which is bounded above, must converge to its least upper bound. C: Since [img=126x25]1802dde7cf4d960.png[/img], [img=56x20]1802dde7d7ba725.png[/img] , by Pinching theorem, we have [img=115x33]1802dde7e0000c5.png[/img] for some [img=84x25]1802dde7e9df8c6.png[/img]. D: A sequence can be both convergent and divergent.

    Which of the following is true? A: Every bounded sequence is convergent. B: An increasing sequence, which is bounded above, must converge to its least upper bound. C: Since [img=126x25]1802dde7cf4d960.png[/img], [img=56x20]1802dde7d7ba725.png[/img] , by Pinching theorem, we have [img=115x33]1802dde7e0000c5.png[/img] for some [img=84x25]1802dde7e9df8c6.png[/img]. D: A sequence can be both convergent and divergent.

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