Page 113 - Bangladesh_classwiz_BOOK2018_rev_Neat

`kg Aa¨vq

g¨vwUª·

(Matrices)

K‡qKwU msL¨v, cÖZxK ev ivwk‡K mvwi I Kjv‡gi gva¨‡g AvqZvKvifv‡e web¨¯Í Ki‡j Zv‡K g¨vwUª· e‡j| †h ‡Kv‡bv
mgxKiY †RvU ev we›`yi †mU‡K Dc¯’vcb Ki‡Z Ges `ÿZvi mv‡_ Z_¨mg~‡ni we‡kølY Ki‡Z g¨vwUª· LyeB Kvh©Kix|
GB Aa¨v‡q ClassWiz K¨vjKz‡jUi e¨envi K‡i wb‡¤œv³ welq¸‡jv m¤c‡K© Av‡jvPbv Kiv n‡e-

 g¨vwUª· wbaviY
©
 g¨vwU‡·i wewfbœ iKg
ª
 wecixZ g¨vwUª· wbY©q I

 g¨vwUª· I mgxKi‡Yi m¤úK© BZ¨vw`

†mRb¨ w4 †P‡c Matrix mode wbe©vPb Ki‡Z nq|

10.1 g¨vwUª· wba©viY

ClassWiz K¨vjKz‡jU‡ii gva¨‡g Lye mn‡RB g¨vwUª‡·i †hvM, we‡qvM, ¸Y,fvM BZ¨w` Kiv hvq| GB K¨vjKz‡jU‡i

©
m‡e©v”P PviwU ( , , I ) g¨vwUª· wbaviY Kiv hvq I G‡`i wb‡q KvR Kiv hvq| Avevi cÖwZwU g¨vwUª‡·i Rb¨
m‡e©v”P PviwU mvwi I PviwU Kjvg wba©viY Kiv hvq| Matrix mode G †XvKvi mv‡_ mv‡_ wb‡Pi w¯Œ‡bi g‡Zv w¯Œb
cÖ`wk©Z n‡e Ges †mLvb †_‡K GKwU g¨vwUª· wba©viY Ki‡Z n‡e-

, , I D g¨vwUª· wba©vi‡Yi Rb¨ h_vµ‡g 1,2,3 I 4 Pvc‡Z nq| 1 †P‡c Mat A wba©vi‡Yi ci g¨vwUª·wUi
gvÎv wba©viY Ki‡Z n‡e| cÖ_‡g mvwii msL¨v Ges Gici Kjv‡gi msL¨v wbe©vPb Ki‡Z n‡e| †Kbbv 3 × 4 gvÎvi
g¨vwUª· ej‡Z Ggb g¨vwUª· †evSvq hvi mvwii msL¨v 3 I Kjv‡gi msL¨v 4| D`vniY¯^iƒc GKwU g¨vwUª·

 1 
 0 3 2 5 
=  5 
1 3  4
 2 

g¨vwUª·wUi mvwii msL¨v 2, Ges Kjv‡gi msL¨v 4, A_©vr Gi gvÎv 2 × 4.

GB g¨vwUª·wU K¨vjKz‡jU‡i cÖ‡ek Kiv‡bvi Rb¨ cÖ_‡g mat A wba©viY Kivi ci gvÎv Gi Rb¨ cÖ_‡g 2 Ges Gici
4 wba©viY Ki‡Z n‡e|

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