Page 70 - Bangladesh_classwiz_BOOK2018_rev_Neat

2 − + 5 + = −3

3 + 2 + 2 − 6 = −32

+ 3 + 3 − = −47

5 − 2 − 3 + 3 = 49

GB mij mnmgxKiY ‡Rv‡Ui mgvavb Kivi Rb¨ Equation/Function mode G ‡h‡q 4 PjK wewkó mgxKiY
wbe©vPb Kivi ci cÖ_g mgxKi‡Yi Gi mnM wn‡m‡e 2, Gi mnM wn‡m‡e −1, Gi mnM wn‡m‡e 5, Gi
mnM wn‡m‡e 1 I aªæec` wn‡m‡e −3 Ges GBfv‡e Ab¨vb¨ mgxKi‡Yi evwK mnM I aªæec`¸‡jv A_©vr h_vµ‡g
3,2,2, −6, −32,1,3,3, −1, −47,5, −2,−3,3,49 = evUb Pvcvi gva¨‡g wb‡Pi wP‡Îi g‡Zv cÖ‡ek
Kiv‡j mgxKi‡Yi g~j¸‡jvi gvb h_vµ‡g = 2, = −12, = −4 Ges = 1 cvIqv hv‡e|

D`vniYgvjv

1| − − 4 = 0

3 − − 10 = 0, mij mnmgxKi‡Yi mgvavb Ki‡Z n‡e|
mgvavb- GB mgm¨v mgvav‡bi Rb¨ cÖ_‡g mgxKiY؇qi aªæec`‡K mgvb wP‡ýi Wvbcv‡k wb‡Z n‡e| myZivs D³
mgxKiY †Rv‡Ui Abyiƒc mgxKiY †RvU n‡jv-
− = 4
3 − = 10
Gici K¨vjKz‡jU‡i Equation/Function mode-G wM‡q 2 PjK wewkó Simultaneous equation wbe©vPb

Ki‡Z n‡e| mnM¸‡jv ch©vqµ‡g K¨vjKz‡jU‡i cÖ‡ek Kwi‡q = evUb Pvc‡j wb‡Pi w¯Œ‡bi g‡Zv djvdj cÖ`wk©Z
n‡e|

(Key log- wz121=p1=4=3=p1=10===)

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