Page 58 - Bangladesh_classwiz_BOOK2018_rev_Neat

e¨envi K‡i Av‡iKwU c×wZ‡Z KvQvKvwQ mgvavb cvIqv hvq| ‡mRb¨ evi evi e¨ewai gvb cwieZ©b

bv K‡i mivmwi Kx‡evW© e¨envi K‡i Kjv‡g mgvav‡bi m¤¢ve¨ gvb¸‡jv cÖ‡ek Kiv‡Z nq| = evUb Pvc‡j
cÖ‡Z¨Kevi ( ) Gi gvb cvIqv hvq| D`vniY¯^iƒc, = 0.6 I = 0.65 wb‡Pi `yBwU w¯Œ‡b ‡`Lv‡bv n‡jv|

( ) Gi gvb k~‡b¨i KvQvKvwQ bv hvIqv ch©šÍ Gi gvb µgvMZ cwieZ©b Ki‡Z n‡e|

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= 0.653 Gi Rb¨ − 3 + 1 Gi gvb k~‡b¨i KZUv KvQvKvwQ Zv Rvbvi gva¨‡g cÖvß gvbwU mwVK
mgvav‡bi KZUv KvQvKvwQ Zv Rvbv hvq| GwU Kivi Rb¨ GKwU fv‡jv c×wZ n‡”Q Calc dvsk‡bi e¨envi| GRb¨
Calulate mode G wM‡q ivwkwU wb‡Pi w¯Œ‡bi g‡Zv UvBc K‡i r evUb ‡P‡c = 0.653 cÖ‡ek Kiv‡Z n‡e|
Gici = evUb Pvc‡j gvbwU cÖ`wk©Z n‡e|

= 0.653, Gi Rb¨ ivwkwUi gvb −0.000781923 hv 0 Gi Lye KvQvKvwQ| ZvB GB gvbwU mgxKi‡bi
mgvav‡bi Lye wbKUeZ©x| Gici, = evUb ‡P‡c Ab¨ gv‡bi Rb¨ I GKB c×wZ‡Z cix¶v Kiv hvq| =

0.6527 Gi Rb¨ gvbwU mgvav‡bi Av‡iv wbKUeZ©x n‡e| (C evUb Pvc‡j ivwkwU wWwjU n‡q hv‡e|)

`ªóe¨- GB mgxKi‡Yi Av‡iv `yBwU mgvavb Av‡Q hv GKB c×wZ Aej¤^b K‡i ‡ei Kiv hv‡e|

4.2 Solver e¨envi K‡i mgvavb

GK PjK m¤^wjZ (mvaviYZ ) mgxKi‡Yi mgvavb wbY©‡qi Rb¨ K¨vjKy‡jU‡i SOLVE evUb e¨envi Kiv nq|
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aiv hvK, GKwU mgxKiY − 5 + 6 = 0 K¨vjKy‡jU‡i Calulate mode e¨envi K‡i wb‡Pi wP‡Îi g‡Zv
mgxKiYwU UvBc Ki‡Z n‡e| G‡¶‡Î = wP‡ýi Rb¨ cÖ‡ek Kiv‡bvi Rb¨ Qr (mvaviY = evUb e¨envi
Kiv hv‡e bv) e¨envi Ki‡Z n‡e| mgxKiY cÖ‡ek Kiv‡bv c‡i = evUb Pvcv hv‡e bv|

GB mgxKiYwU mgvavb Kivi c×wZ ïiæ Kivi Rb¨ qr evUb e¨envi K‡i Solve command w`‡Z n‡e|
K¨vjKy‡jU‡i Dc‡ii 2q w¯Œ‡bi g‡Zv Gi Rb¨ GKwU cÖv_wgK Abygvb PvB‡e| w¯Œ‡bi wb‡P Gi gvb G‡¶‡Î 5,
hv we‡eP¨ bq, GwU K¨vjKy‡jU‡i e¨eüZ Gi me©‡kl gvb|

mgvav‡bi KvQvKvwQ cQ›` g‡Zv GKwU AbywgZ gvb wb‡q = evUb Pvc‡Z n‡e| GB mgxKi‡Yi ‡¶‡Î = 1
Ges = 5 Gi KvQvKvwQ ‡Kv_vI mgvavb i‡q‡Q| = 1 cÖ‡ek Kwi‡q = evUb Pvc‡j K¨vjKy‡jUi cÖ_g
mgvavb cÖ`k©b K‡i, hv wb‡Pi evg cv‡ki w¯Œ‡b ‡`Lv‡bv n‡q‡Q| Av‡iKwU mgvav‡bi Rb¨ cybivq = evUb Pvc‡Z
n‡e|

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