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2015-yil math
B) Z k k , 6
C)
, 12 D) Z k k , 2 12
17. To’g’ri burchakli uchburchakning bir burchagi 52 ga teng bo’lsa, to’g’ri burchak uchidan tushirilgan bissektrisa va balandlik orasidagi burchakni toping. A)
14 C) 10 D) 17
18. 2 2 2 2 4 3 6 7 5 10 14 x x x x x x tenglamanining ildizlari yig;indisini toping. A) -1 B) -3 C) -2 D)
19. Agar 0 27 3
x bo’lsa, 3
ni hisoblang. A) -6 B) 5 C) 6 D) -5;6 20.
x y 4 funksiyaning aniqlanish sohasini toping. A)
16 ; 1 B)
16 ; 16 C)
16 ; 0 D)
2 ; 0 21.
n n n 1 2 1 sin
1 cos
ni hisoblang.
n . A)
1 1 n B)
1 2 C) 1
2 n D)
1 22.
21 18 15 12 9 6 3 14 12 10 8 6 4 2 ni hisoblang. A) 1 B) 3 2 C) 3 2 D) 1
23.
x x x f 7 cos 4 cos
66 uchun boshlang’ich funksiyani toping. A) 11sin3x+3sin11x+C B) -11cos3x-3cos11x+C C) 11sin3x-3sin11x+C D) 11cos3x-3cos11x+C 24.
2 9 4 log 2 4 1 2 x x x tengsizlikni qanoatlantiruvchi butun sonlar yig’indisini toping. A) 2 B) 0 C) 4 D) 2 2
25. Soddalashtiring: 2 1 2 1 2 1 2 1 2 b a b a b b a a ; . ; 0 ; 0
a b a
A) b a 2 2 B) a b 2 2
C) 0 D)
2 2
26. x x y 15 cos 5 cos
3 funksiyaning hosilasini toping. A)
x x 10 cos 5 sin
30 B) x x 10 sin 5 cos
30 C) x x 10 sin 5 sin
30 D) x x 10 cos 5 cos
30
27. Tengsizlikni yeching: x x x 1 1 2 2 1 2 1 2 1 3 6
A)
; 1 1 ; 0 1 ; B)
; 1 1 ; 0
C)
1 ; 0 D) 1 ; 0 1 ; 28.
2 2 2 4 4 4 4
x x x x tenglama haqiqiy ildizlari yig’indisini toping. A) 4 B) -6 C) -8 D) -5 29. Asoslari 2 va 6 ga teng, kichik diagonali katta yon tomoniga perpendikulyar bo’lgan to’g’ri burchakli trapetsiyaning kichik yon tomonini toping. A)
2 3 B) 2 2 C) 3 2 D) 2 4
30. Aylana tashqarisidagi nuqtadan aylanaga ikkita urinma o’tkazilgan. Agar urinmalar orasidagi burchak 68 bo’lsa, aylananing urining nuqtalari orasidagi katta yoyni toping. A)
254 B) 248 C) 244
D) 250 31. 1 ta anor og’irligi 1 ta nok va 2 ta olma o’g’irligiga, 1 ta anor va 1 ta olma og’irligi 2 ta nok og’irligiga teng bo’lsa, nechta olma og’irligi 1 ta anor og’irligiga teng? A) 3 ta olma B) aniqlab bo’lmaydi C) 4 ta olma D) 5 ta olma 32. Microsoft Excel dasturining C4 yacheykasiga =B2*$C$3 formula yozilgan. Shu formulani D6 yacheykasiga ko’chirilsa, formula qanday ko’rinishda bo’ladi? A) =B4*$D$5 B) =E4*$D$5 C) =C4*$C$3 D) =B4*$C$3 33. MS Excel
1 3 / 81 ; 1 36 25 ЦЕЛОЕ КОРЕНЬ ИЛИ funksiya natijasini aniqlang. A) ЛОЖЬ B) ИСТИНА C) 0 D) 1 34. Uzlukli turdagi axborot ... deyiladi. A) analogli B) aralash C) foydali D) diskretli 35. Paskal tilida berilgan ifodaning qiymatini toping: trunc(sqr(-2,5)*sin(0)). A) 6,25 B) 0 C) -2,5 D) 2,5 36. Har qanday operatsion sistema (tizim) ega bo’lgan asosiy sifatlar – bu ... . A) ko’pvazifalilik, ko (rinish, samaradorlik, takrorlanishlik) B) tezkorlik, soddalik, himoya, registr C) ishonchlilik, himoyalash, samaradorlik, qulaylik D) bir vazifalilik, yuklanish, kesh Download 1.81 Mb. Do'stlaringiz bilan baham: |
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