Page 59 - Bangladesh_classwiz_BOOK2018_rev_Neat

GB ‡¶‡Î = 5 GKwU fv‡jv Abygvb| wØZxq w¯Œ‡bi Rb¨ = evUb Pvc‡Z n‡e|

cÖwZwU w¯Œb mgxKi‡Yi GKwU mgvavb cÖ`k©b K‡i| G‡¶‡Î − mgxKi‡Yi evgc¶ I Wvbc¶- Gi AšÍidj
wb‡`©k K‡i| cÖwZ‡¶‡ÎB − = 0 wb‡`©k K‡i ‡h, evgc¶ I Wvbc¶ mgvb|

4.3 `yBwU Table e¨envi K‡i

GKwU mgxKi‡Yi `yB c¶‡K Avjv`v Avjv`v `yBwU dvskb ( ), ( ) AvKv‡i wb‡q `yBwU ZvwjKv ‰Zwi K‡i

mgxKi‡Yi mgvavb Kiv hvq| D`vniY¯^iƒc, √(8 + 9) − √(2 + 15) = √(2 − 6) mgxKiY †bqv
n‡jv|

y
gv‡bi ZvwjKvwU fv‡jvfv‡e ch©‡e¶Y Ki‡Z n‡e| GLv‡b wKQ gvb ‡`Lv‡bv n‡jv|

cÖ_g w¯Œ‡b ‡`Lv hv‡”Q < −1 Gi Rb¨ ( ) I ( ) Gi gvb AmsÁvwqZ| wØZxq w¯Œ‡b ‡`Lv hv‡”Q ‡h,
−1 ≤ ≤ 2 Gi Rb¨ ( ) Gi gvb cvIqv ‡M‡jI ( ) AmsÁvwqZ| Z…Zxq w¯Œ‡b ‡`Lv hv‡”Q = 5 Gi
Rb¨ ( ) = ( ) = 2. myZivs mgxKiYwUi mgvavb = 5

4.4 Equation mode e¨envi K‡i wØNvZ mgxKi‡bi mgvavb

Equation mode G wØNvZ mgxKiY mgvav‡bi myweav i‡q‡Q| GB c×wZ‡Z Gi Nv‡Zi wbgœµg Abymv‡i
mnM¸‡jv‡K cÖ‡ek Kiv‡Z n‡e| wØNvZ mgxKi‡Yi `yBwU mgvavb Av‡Q, hv RwUj msL¨vI n‡Z cv‡i| K¨vjKy‡jU‡i
wØNvZ mgxKiY mgvav‡bi Rb¨ mgxKiYwU cÖ_‡g Av`©kiƒ‡c mvRv‡Z n‡e hv K¨vjKy‡jU‡i wb‡gœv³fv‡e ‡`qv Av‡Q,

2
+ + = 0

Equation/Function mode G hvIqvi Rb¨ wz Pvc‡Z n‡e| Gici cici `yBevi 2 ‡P‡c wØNvZ
mgxKiY wbe©vPb Ki‡Z n‡e, hv wb‡Pi w¯Œ‡b ‡`Lv‡bv n‡q‡Q-

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