Page 130 - Bangladesh_classwiz_BOOK2018_rev_Neat

Dc‡ii w¯Œb n‡Z †`Lv hvq †h = 0 Gi Rb¨ dvskbwU msÁvwqZ bq, wKš‘ Gi gvb k~b¨ Gi wbKUeZ©x n‡j

dvskbwUi gvb 1 Gi wbKUeZ©x n‡e|
wjwg‡Ui Ae¯’v AviI fvjfv‡e ch©‡eÿY Kivi Rb¨ AviI †QvU e¨ewa wb‡j †`Lv hv‡e †h Gi gvb k~b¨ Gi AviI
wbKUeZ©x n‡Z _vK‡j dvsk‡bi gvb 1 Gi AviI wbKUeZ©x n‡Z _vK‡e| jÿYxq†h cÖwZwU ZvwjKvq (0) Gi Rb¨
Error cÖ`wk©Z n‡q‡Q| cÖK…Zc‡ÿ me©‡kl w¯Œ‡b gv‡bi ZvwjKvq ( ) = 1 cÖ`wk©Z n‡q‡Q| †Kbbv Avmbœ gvbwU
1 .

Dc‡ii wjwg‡Ui gvb †ei Kivi Rb¨ Av‡iv GKwU mnR c×wZ Aej¤^b Kiv hvq| †h‡nZz → 0,Øviv Gi gvb
k~b¨ Gi KvQvKvwQ gvb‡K wb‡`©k K‡i, AZGe Gi gvb . 0000001 Gi Rb¨ dvsk‡bi gvb 1 cvIqv hvq| hv
†cÖv‡mm e¨envi K‡i Kiv hvq, GwU wb‡P †`Lv‡bv n‡jv-

Amxg wjwgU hy³ dvsk‡bi gvb I Gi gva¨‡g Lye mn‡RB †ei Kiv hvq| †h‡nZz ‡Kv‡bv dvsk‡b Amxg
gvb cÖ‡ek Kiv‡bv m¤¢e bq ZvB ïaygvÎ Avmbœ gvb cvIqv m¤¢e| D`vniY¯^iƒc GKwU dvskb-
1

→ ∞ (1 + )
Gi Amxg gv‡bi Rb¨ dvskbwUi mxgvi gvb ch©‡eÿY Ki‡Z w1 †P‡c Calculate mode wbe©vPb Ki‡Z
n‡e| Gici wb‡Pi w¯Œ‡bi g‡Zv K‡i dvskbwU UvBc Ki‡Z n‡e| (= evUb Pvcv hv‡ebv|)

Gi Amxg gv‡bi Rb¨ r wb‡`©kbv e¨envi K‡i Gi GKwU eo gvb cª‡ek Kwi‡q = evUb Pvc‡Z n‡e|
Gi AviI Ab¨vb¨ gvb cÖ‡ek Kwi‡q ch©‡eÿY Kivi Rb¨ cybivq r evUb Pvc‡Z n‡e|

Gi AviI eo gvb wb‡q †ek K‡qKevi GB cÖwµqvi cybive„wË Ki‡j mxgvi gvb m¤ú‡K© aviYv cvIqv hvq| wb‡P
= 100, = 1000 Ges = 100 000 Gi Rb¨ dvsk‡bi cÖvß gv‡bi w¯Œb †`Lv‡bv n‡jv

hw`I K¨vjKz‡jU‡ii w¯Œ‡bi AvKv‡i mxgve×Zv Av‡Q Zey GB c×wZ Aej¤^b K‡i dvsk‡bi mxgvi gvb m¤ú‡K© fvj
aviYv jvf Kiv hvq| G‡ÿ‡Î = 10 000 000 000 dvsk‡bi mxgv m¤ú‡K© fvj aviYv cÖ`vb K‡i| hw`Iev

mxgvi gvb †ei Kivi Rb¨ MvwYwZK cÖgv‡Yi cÖ‡qvRb Ges `k wewjqb msL¨vwU  Gi Zzjbvq †bnv‡qZB †QvU wKš‘
K¨vjKz‡jUi GB c×wZ‡Z Avmbœ gvb cÖ`k©‡b mÿg|

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