Page 61 - Bangladesh_classwiz_BOOK2018_rev_Neat

D`vniY¯^iƒc, aiv hvK GKwU mgxKiY-

4
3
2
− 9 + 3 + 89 − 84 = 0
Equation/Function mode G wM‡q PZyN©vZ mgxKiY wbe©vPb Kivi ci , , , I -Gi gvb wn‡m‡e h_vµ‡g
1, −9, 3, 89 I −84 cÖ‡ek Kiv‡j , , I Gi gvb h_vµ‡g = 7, = 4, = 1 I =
1
3
2
3
4
2
4
1
−3 cÖ`k©b Ki‡e|

4.7 cÂNvZ wewkó mgxKi‡Yi mgvavb

hw`I ClassWiz K¨vjKy‡jU‡i PZyN©vZ ch©š mgxKi‡Yi mgvavb mivmwi ‡ei Kiv hvq, wKš‘ Table mode e¨envi
Í
K‡i Av‡iv D”PNvZ wewkó mgxKi‡Yi mgvavb Kiv m¤¢e| GRb¨ K¨vjKy‡jUi‡K w9 ‡P‡c Table mode G
wb‡Z n‡e| Gici ( ) Gi gvb wn‡m‡e mgxKiYwU cÖ‡ek Kiv‡bvi ci , I gvb cÖ‡ek Kwi‡q

= Pvc‡j GKwU gv‡bi ZvwjKv cÖ`wk©Z n‡e| GB ZvwjKv ‡_‡K Gi ‡h mKj gv‡bi Rb¨ ( ) Gi gvb k~b¨
nq ‡mB¸‡jv Lyu‡R ‡ei Ki‡Z n‡e| ‡Kbbv GB mKj gvbB n‡jv D³ mgxKi‡Yi mgvavb| D‡jøL¨ ‡h, GB Rb¨
Í…
GKwU we¯Z e¨ewa wb‡Z nq| hw` cÖ_‡g ‡bqv e¨ewa‡Z cÖ‡qvRbxq msL¨K g~j bv _v‡K Zvn‡j e¨ewa cwieZ©b K‡i
4
3
2
5
Av‡iv g~j LyuR‡Z n‡e| D`vniY¯^iƒc ,GKwU cÂNvZx mgxKiY − 10 + 13 + 96 − 180 = 0
‡bqv n‡jv| Start, End I Step wn‡m‡e −10, 10 I 1 ‡bqv n‡q‡Q| gv‡bi ZvwjKv n‡Z ‡`Lv hvq =
2, −3,5,6,0 Gi Rb¨ ( ) Gi gvb k~b¨ nq| myZivs GB gvb¸‡jvB n‡e mgxKi‡Yi g~j|

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