Page 44 - Bangladesh_classwiz_BOOK2018_rev_Neat

6. = {( , ) − ∈ , ∈ Ges + = 1} ‡hLv‡b = {−2, −1,0,1,2} AYqwU‡K ZvwjKv
¦
©
c×wZ‡Z cÖKvk K‡i ‡Wv‡gb I ‡iÄ wbYq Ki‡Z n‡e|
mgvavb- cÖ_‡g Table mode-G wM‡q + = 1Gi mgZzj¨ dvskb ( ) = 1 − cÖ‡ek Ki‡Z n‡e|

Gici , Ges Gi gvb wn‡m‡e −2, 2 I 1 cÖ‡ek Kiv‡j wb‡Pi w¯Œ‡bi g‡Zv ZvwjKv cvIqv
hv‡e|

(Key log- w91p[==p2=2=1==)

ZvwjKvwU fv‡jvfv‡e ch©‡e¶Y Ki‡j ‡`Lv hv‡e ‡h, Gi gvb hLb−2ZLb ( )Gi gvb 3, hv ‡m‡Ui AšÍf©~³
bq| myZivs −2 ‡Wv‡g‡bi AšÍf©z³ bq| Kjvg Ges ( ) Kjv‡gi mswkøó gvb‡¸‡jv‡K µg‡Rvo AvKv‡i wjL‡j

AYqwU ZvwjKv c×wZ‡Z cÖKvwkZ n‡e| G‡¶‡Î hv {(−1,2), (0,1), (1,0), (2, −1)}|
¡
Kjv‡gi gvb¸‡jv {−1,0,1,2} n‡jv ‡Wv‡gb Ges ( ) Kjv‡gi gvb¸‡jv {2,1,0, −1} n‡jv ‡iÄ|

©
7. ( ) = √(1 − ) Øviv ewYZ dvsk‡bi ‡Wv‡gb Kxiƒc n‡e?
mgvavb- cÖ_‡g Table mode G wM‡q dvskbwU cÖ‡ek Kiv‡Z n‡e| Gici Start, End I Step gvb wn‡m‡e
h_vµ‡g -10, 10, 1 cÖ‡ek Kiv‡bv n‡jv| D‡jøL¨ ‡h gvb¸‡jv Abygvb wbf©i| wb‡Pi w¯Œ‡bi gv‡bi g‡Zv ZvwjKv
cvIqv hv‡e|

(Key log -w9s1p[==p10=10=1==)

gv‡bi ZvwjKv w¯Œ‡bi wb‡Pi w`‡K j¶ Ki‡j ‡`Lv hv‡e, > 1Gi Rb¨ ( ) Gi gvb¸‡jv AmsÁvwqZ A_©vr
cÖ`k©b Ki‡Q| myZivs ‡evSv hv‡”Q ‡h, > 1 Gi Rb¨ dvskbwU msÁvwqZ bq| ZvB dvskbwUi ‡Wv‡gb
n‡e ≤ 1

2
8. − → , ( ) = dvskbwU GK-GK (One-One) wKbv Zv wbY©q Ki‡Z n‡e|

mgvavb- cÖ_‡g Table mode G wM‡q dvskbwU cÖ‡ek Kwi‡q Start, End I Step gvb wn‡m‡e -5, 5 I 1 cÖ‡ek
Kiv‡bv n‡j K¨vjKy‡jUiwU GKwU ZvwjKv cÖ`k©b Ki‡e|

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