Page 31 - Bangladesh_classwiz_BOOK2018_rev_Neat

wb‡P cÖ`wk©Z wP‡Îi g‡Zv K¨vjKy‡jUi A Ges B Gi gvb PvB‡e Ges ivwkwUi gvb ‡ei Ki‡e| cÖ‡Z¨KwU gvb cÖ‡ek

Kiv‡bvi ci = Kx Pvc‡Z n‡e|

myZivs, GKwU mg‡KvYx wÎfy‡Ri `yBwU mwbœwnZ evû 5 Ges 12 n‡j Gi AwZfzR n‡e 13| A I B Gi Av‡iv gvb
emv‡bvi Rb¨ cybivq = A_ev r evUb Pvc‡Z n‡e|

2.2 ivwki Zyjbv

CALC myweav K‡qKwU ivwki Zyjbv Kivi Rb¨ e¨envi Kiv ‡h‡Z cv‡i| GwU Kivi Rb¨ ivwk¸‡jvi gv‡S ‡Kvjb
(:) (Qy) emv‡Z nq| Gici r evUb ‡P‡c PjK¸‡jvi gvb cÖ‡ek Kiv‡Z nq| µgvš‡q = evUb
^
2
Pvc‡j ivwk¸‡jvi gvb GK GK K‡i ‡ei n‡e| wb‡Pi D`vni‡Y `yBwU ivwk ( + 1) Ges + 1Gi gvb
Zyjbv Kiv n‡q‡Q|

Gi GKwU gvb cÖ‡ek Kiv‡bvi ci = evUb Pvc‡j Gi H gv‡bi Rb¨ cÖwZwU ivwki gvb ch©vqµ‡g ‡ei n‡e|
wØZxqwUi ci = evUb cybivq ‡P‡c Gi bZyb gvb cÖ‡ek Kiv‡bv hv‡e|

2
GB fv‡e ‡`Lv hvq ‡h, Gi wewfbœ gv‡bi Rb¨ ( + 1)Ges + 1Gi gvb wfbœ iKg n‡e|
ïaygvÎ = 1Gi Rb¨ `yBwU dvsk‡bi gvb GKB nq|

2.3 Table mode Gi e¨envi

hLb GKwU dvsk‡bi gvb wewfbœ we›`y‡Z ‡ei Ki‡Z nq, ZLb gv‡bi ZvwjKv ‰Zwi Kiv me ‡_‡K fv‡jv c×wZ n‡Z
cv‡i| GwU Kivi Rb¨ Table mode e¨envi Ki‡Z n‡e|w9 ‡P‡c Gi GKwU dvskb cÖ‡ek Kiv‡bv
hvq|

3

D`vniY wn‡m‡e ejv hvq, = 0 Ges = 2 Gi g‡a¨ ( ) = 2 − Gi gvb ‡Kv_vq k~b¨ Zv wbY©q Kivi
Rb¨ A‡bK¸‡jv we›`y‡Z gvb ‡ei K‡i dvskbwUi ‡Kv‡bv gvb k~‡b¨i KvQvKvwQ Zv ‡`Lv myweavRbK| GwU Kivi Rb¨
3

mgZzj¨ dvskb ( ) = 2 − wb‡Pi g‡Zv K‡i ZvwjKv fy³ Kiv hvq (GLv‡b ïaygvÎ dvskbwU e¨envi Kiv
n‡q‡Q)|

2 cÖ‡ek Kiv‡bvi ci m~PK ‡_‡K ‡ei nIqvi Rb¨ $evUb Pvcvi K_v g‡b ivLv‡Z n‡e|

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