Insonni yengib bo’lmaydi
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@alphraganus MATEMATIKA UmrzoqUralov
Insonni yengib bo’lmaydi
18. √ − 2√ = 4 bo’lsa, + 4 g ning qiymatini toping. $)4 ()8 ))5 *)6
19. Teng yonli uchburchakning asosiga tushirilgan balandligi 15 ga, yon tomoniga tushirilgan balandligi 18 ga teng. Uchburchakning yuzini toping. $)150 ()168,75 ))125 *)127,75
20. $(−9; 12; −16) jkl tekislikkacha bo’lgan masofani toping. $)12 ()9 ))16 *)15
21. Agar b; m sonlar ratsional va b − √5m = 5 bo’lsa, b < − m
< =?
$)25 ()9 ))16 *)15
22. Q( ) = n + 3 uchun Q(2) = −3 bo’lsa, Q(−2) =? $) − 3 ()2 ))9 *)3
23. Agar qo’shni burchaklar ayirmasi 26° bo’lsa, katta burchagining gradusini toping. $)103° ()112° ))108° *)77°
24. Hisoblang. 81 − 0,36 < 2,4 ∙ 3,15 + 6,21 ∙ 2,4 $)3 ()2 ))1,7 *)3,6
25. Tenglamani yeching. cMV < cMV
B,f cMV
q < + − 1) = 1 $) − 3; 2 ()2 )) − 2; 3 *) − 3
26. Hisoblang. HIJ870° $) − 0,5 () √ 2 2 ))1 *)0,5 27. 8
gh; + 18
gh; = 2 ∙ 27
gh;
tenglamaning ildizi B bo’lsa, B < + 2
B ning qiymatini toping. $) − 1 ()2 ))1 *)3
28. Q( ) = ( < − 2 + 2)√ < + 9
bo’lsa, Q r (0) =? $) − 1 ()2 )) − 6 *)3
29. Radiusi 12 ga teng bo’lgan aylanaga ichki chizilgan muntazam uchburchakning yuzini toping. $)108√3 ()36√3 ))72√3 *)36√3
30. Q( ) = 3 < − 5
funksiyaning B = 1 nuqtasiga o’tkazilgan burchak koeffitsiyentini toping. $)4 ()8 ))2 *)1
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