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Thaum twg yog ib qho tsis muaj kev txwv?

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Thaum twg yog ib qho tsis muaj kev txwv?
Thaum twg yog ib qho tsis muaj kev txwv?

Video: Thaum twg yog ib qho tsis muaj kev txwv?

Video: Thaum twg yog ib qho tsis muaj kev txwv?
Video: Peter - Vim koj [ Yog muaj hnub tsis muaj kuv lawm ] || ( Official music video ) 2024, Tej zaum
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Unbounded intervals of kev koom ua ke Yog qhov txwv tsis kawg lossis tsis muaj nyobpeb hais qhov sib txawv lossis tsis muaj.

Koj ua li cas thiaj txiav txim siab tias qhov sib xyaw ua ke yog qhov tsim nyog lossis tsis tsim nyog?

Kev sib koom ua ke yog tsis tsim nyog thaum twg qhov qis qis ntawm kev sib koom ua ke tsis kawg, qhov kev txwv siab ntawm kev sib koom ua ke tsis kawg, lossis ob qho tib si sab sauv thiab qis ntawm kev sib koom ua ke yog infinite.

Yuav ua li cas tsis muaj kev txwv tsis pub muaj qhov tseem ceeb?

Daim duab f tuaj yeem pom hauv cov duab tshwj xeeb ntawm tus ncej. f yog qhov zoo thiab tsis tu ncua, tsis muaj kev txwv li f(n)=n rau txhua n∈N. Qhov no ua pov thawj tias qhov tseem ceeb ntawm f yog tsawg dua qhov sib npaug ntawm qhov sib xyaw ua ke (1(n + 1)2)n∈N.

Yuav ua li cas koj thiaj paub yog tias muaj ib qho tseem ceeb?

Yuav kom pom tias qhov tseem ceeb muaj nyob, peb xyuas yog tias qhov kev ua haujlwm sib koom ua ke txuas mus ntxiv, zoo thiab txo qis hauv cov kev txwv tsis pub dhau.

Koj ua li cas txiav txim siab seb ib qho kev sib koom ua ke lossis sib txawv?

– Yog qhov txwv muaj raws li tus lej tiag, ces qhov yooj yim tsis tsim nyog yog hu ua convergent. - Yog tias qhov txwv tsis muaj nyob raws li tus lej tiag, qhov yooj yim tsis tsim nyog yog hu ua divergent.

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