31. f(x)+f(x/2)=x bo’lsa f(x/3)=? A)x/3 B)x/6 C)3x/8 D)2x/9

31.f(x)+f(x/2)=x bo’lsa f(x/3)=?
A)x/3 B)x/6 C)3x/8 D)2x/9
32. 5^x+1=40 bo’lsa ni toping.
A)10 B)8 C)5 D)4
33. (2;3;-5) nuqtaning OX o’qiga nisbatan simmetrik nuqtasini topin.
A)(2;-3;5) B)(-2;3;-5) C)(2;3;-5) D)(-2;3;5)
34. tenglamaning ildizlari ko’paytmasini (agar ildizi bitta bo’lsa, o’zini ) toping.
A)1 B)2 C) D)0
35. (a+1)x²-2x+a=0 kvadrat tenglamaning x₁ va x₂ ildizlari uchun x₁+x₁x₂=-1/a+1 tenglik o’rinli bo’lsa, a ning qiymatini toping.
A)-1.5 B)1 C)1.5 D)2
36. 2 ta butun son yig’indisi doimo butun son bo’la oladimi?
A)yo’q B)ha C)1 D)-1
37. f(x)=2xln2x funksiyaning hosilasini toping.
A)2ln2x+1 B)2(ln2x+1) C)2x(ln2x+1) D)x(2ln2x+1)
38. Agar x=y+4 bo’lsa, ni toping.
A)1 B)3 C)2 D)4
39. Agar cos4x=acos⁴x+bcos²x+1 bo’lsa, b ni toping.
A)8 B)4 C)-4 D)-8
40. (log₂ 5+log₅10)(log₂5-1)+log₅2 ni hisoblang.
A)log₂5 B) C) D)lg2
41. 7 ta sonning o’rta arifmetigi 13 ga teng Bu sonlarga qaysi son qo’shilsa ularning o’rta arifmetigi 18 bo’ladi?
A)50 B)53 C)56 D)45
42. Tengsizlik nechta butun yechimga ega?
A)1ta B)3ta C)cheksiz ko’p D)5ta
43. 0.5(3x-9)+0.2(x-1)=0.(3)x-2 tenglamani yeching.
A)81/41 B)80/41 C)85/41 D)1/3
44. 2^x=a 3^x-1=b bo’lsa 72^x ni a va b orqali ifodalang.
A)9a³b² B)9a³b³ C)9a²b² D)9a³b
45.
Ifodaning qiymatini toping.
A)1 B)2 C)3 D)0
46. Hisoblang
A)24 B)12 C)6 D)3
47. Hisoblang;
A)1/n B)n+1/n C)n+1/2n D)n-1/2n
48. y=11cosx+cos11x funksiyaning hosilasini toping.
A)22sin5xcos6x B)22cos5xcos6x C)-22cos5xsin6x D)22sin5xsin6x
49. va ning qanday qiymatlarida

tenglik ayniyat bo’ladi?
A)
B)
C)
D)
50. Uchburchakning ikkita tomoni 24 va 11 ga, ular orasidagi burchagi 120⁰ga teng. Shu uchburchak katashqi chizilgan aylananing radiusini toping.
A) B) C) D)
51. Hisoblang.
A)
B)
C)
D)
52. Talaba 4 ta imtihonni 6 kun davomida topshirishi kerak. Buni necha xil usulda amalga oshirishi mumkin? Bunda talabaga 1 kunda ko’pi bilan bitta imtihon qo’yilishi mumkin.
A) 360 B) 24 C) 120 D) 30
53. aniq integralni hisoblang.
A) 0 B) C) D)
54. Moddiy nuqta to’g’ri chiziq bo’ylab x(t) = 0,5t³−3t²+2t+2 qonun bo’yicha harakatlanmoqda, bu yerda x – koordinatalar boshidan nuqtagacha bo’lgan masofa (metrlarda o’lchanadi), t – vaqt(sekundlarda o’lchanadi). t = 6 sekund bo’lganda nuqtaning tezligini (m/s) toping.
A) 23 B) 20 C) 12 D) 0
55. tengsizlikning butun sonlardan iborat yechimlari nechta?
A) 1 B) 3 C) 0 D) 2
56. Arifmetik progressiyada 10–hadi 7 ga, 7–hadi esa 10 ga teng. Progressiyaning 15–hadini toping.
A) 14 B) 2 C) 4 D) 13
57. Agar bo’lsa, sin2α ning qiymatini toping.
A) 0,25 B) −0,5 C) −0,75 D) 0,75
58. aniq integralni hisoblang.
A) B) C) D) 1
59. ni hisoblang.
A) 6 B) −5 C) −4 D) 4
60. ni soddalashtiring.
A) 2 B) 1 C) 4 D) 3