Page 42 - Bangladesh_classwiz_BOOK2018_rev_Neat

j¶bxq ‡h, GLv‡b Gi cÖwZwU gv‡bi Rb¨ Gi ev¯Íe gvb cvIqv ‡M‡Q| hw` Gi ‡Kv‡bv gv‡bi Rb¨ Gi

ev¯Íe gvb bv cvIqv hvq ev K¨vjKy‡jU‡i ERROR ‡`Lvq Zvn‡j Gi H gvbwU ‡Wv‡g‡bi AšÍf©y³ n‡ebv|

2. = 2 Gi ‡jLwPÎ −3 ≤ ≤ 3 Gi g‡a¨ AsKb Ki‡Z n‡e|
y
mgvavb- cÖ_‡g = 2 Gi mg‡Zvyj¨ dvskb ( ) = 2 AvKv‡i K¨vjK‡jU‡i cÖ‡ek Kiv‡Z n‡e| Gici
Start, End Ges Step wn‡m‡e h_vµ‡g −3,3 I 1 cÖ‡ek Kiv‡j GKwU gv‡bi ZvwjKv cvIqv hv‡e| GB gvb¸‡jv
QK KvM‡R ewm‡q ( Kjv‡gi gvb fzR Ges ( ) Kjv‡gi mswkøó gvb¸‡jv n‡jv ‡KvwU) †jLwPÎ cvIqv hv‡e|

(Key log- w92[==p3=3=1==)

(Key log- qT)

Dc‡ii ‡jLwPÎwU QR ‡Kv‡Wi gva¨‡g cÖvß|

1
1
4
3. ( ) = + 5 − 3 dvskbwUi gvb = −1, 2 Ges we›`y‡Z A_©vr (−1), (2), ( ) Gi gvb
2 2
‡ei Ki‡Z n‡e|
4
mgvavb- cÖ_‡g + 5 − 3 K¨vjKy‡jU‡i cÖ‡ek Kiv‡Z n‡e| Gici r evUb Pvc‡j wb‡Pi cÖ_g w¯Œ‡bi
g‡Zv GKwU w¯Œb cÖ`wk©Z n‡e| Gici Gi gvb −1 ewm‡q `yBevi = evUb Pvc‡j (−1) Gi gvb ‡ei n‡e
hv wØZxq w¯Œ‡b ‡`Lv‡bv n‡q‡Q|

(Key log- [^4$+5[p3rp1==)

Avevi = evUb ‡P‡c Gi wØZxq gvb 2 cÖ‡ek Kwi‡q ci ci `yB evi = Pvc‡j wb‡Pi cÖ_g w¯Œ‡bi g‡Zv
gvb ‡`Lv‡e|GKB fv‡e Z…Zxq gv‡bi Rb¨ Abyiƒc c×wZ Aej¤^b Ki‡Z n‡e hvi djvdj wb‡Pi wØZxq w¯Œ‡b ‡`Lv‡bv
n‡q‡Q|

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