Page 47 - Bangladesh_classwiz_BOOK2018_rev_Neat

Abykxjbx-2

2
1| ( ) = − 4 + 3 n‡j, (−1) wbY©q Ki|
3
2
2| hw` ( ) = + − 3 − 6 nq, Z‡e Gi ‡Kv‡bv gv‡bi Rb¨ (−2) = 0 n‡e?
3| = 2 dvsk‡bi †jLwPÎ A¼b Ki| †hLv‡b −3 ≤ ≤ 3.
1
4
4| ( ) = + 5 − 3 n‡j, (−1), (2) Ges ( ) Gi gvb wbYq Ki|
©
2
3
2
5| hw` ( ) = + − 4 − 8 nq, Z‡e Gi ‡Kv‡bv gv‡bi Rb¨ (−2) = 0 ?
3
2
6| ( ) = − 6 + 11 − 6 n‡j, Gi gv‡bi Rb¨ ( ) = 0 n‡e?
3
7| (K) †g†gvwi‡Z 0.3 msiÿY K‡i = 0.3 Gi Rb¨ ( ) = + 4 + 1 Gi gvb †ei Ki|
(L) Store command G = 0.4 ewm‡q (0.4) Gi gvb †ei Ki|

(M) (0.5) Gi gvb †ei Ki|

3
8| r myweav e¨envi K‡i = 0.6, 0.7 I 0.8 Gi Rb¨ ( ) = + 4 + 1 Gi gvb †ei Ki|
2
9| = 1.1, 1.2 I 1.3 Gi Rb¨ ( ) = 1.2 + 3.1 + 2.7 Gi gvb †ei Ki|
10| GKwU AvqZvKvi N‡ii ‰`N¨©, cÖ¯’ I D”PZv h_vµ‡g , I Ges NiwUi e„nËg †KŠwYK `~iZ¡

2
2
2
√ + + Øviv cÖKvwkZ| r myweav e¨envi K‡i N‡ii †KŠwYK `~iZ¡ †ei Ki hLb N‡ii gvÎv
4.2 × 7.3 × 2.1 Ges hLb gvÎv 3.2 × 3.5 × 2.1 .
11| `yBwU mij‰iwLK dvskb ( ) = 17 − 2 Ges ( ) = 4 − 3 Gi Rb¨ gv‡bi ZvwjKv ˆZwi Ki, hv

= 1 †_‡K ïiæ n‡q = 25 G †kl n‡e Ges e¨eavb n‡e 1. Gici †Uwej e¨envi K‡i,

(K) (0.3) Gi gvb †ei Ki|

(L) dvsk‡bi m‡e©v”P gvb e¨envi Ki|

(M) Gi ‡Kvb gv‡bi Rb¨ dvsk‡bi gvb m‡e©v”P Zv †ei Ki|

(N) (0.8) I (0.9) Gi g‡a¨ ‡Kv‡bvwU eo Zv †ei Ki|

(O) ‡Kvb e¨eav‡bi g‡a¨ dvskbwU µgea©gvb I µg-n«vmgvb Zv †ei Ki|

(P) Gi ‡Kvb gvb (¸‡jvi) Rb¨ ( ) = 2.25 Zv †ei Ki|

12| g~j` dvsk‡bi Rb¨ GKwU wew”Qbœ we›`y _v‡K, hvi Rb¨ dvskbwU msÁvwqZ bq| gv‡bi ZvwjKv †_‡K Gi
mswkøó gvb¸‡jv Rvbv hvq| dvskbwU fvjfv‡e jÿ¨ Ki‡j GB we›`y¸‡jv c~‡e©B Abygvb Kiv hvq| wb‡Pi
dvskb¸‡jv ‡Kv‡bv we›`y¸‡jv‡Z wew”Qbœ Zv Abygvb Ki Ges Gici gv‡bi ZvwjKv e¨envi K‡i AbygvbwU mwVK wK
bv Zv hvPvB Ki-

3 4 1 2
(K) ( ) = (L) ( ) = (M) ( ) = (N) ( ) =
−5 2 +3 3 −4

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