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11-sinf Matematika 3-chorak

InfoMaster

Aprel 20, 2021

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11-sinf Matematika 3-chorak

Testni Salomov Sardor tayyorladi.

1 / 25

f(x)=e^xcosx funksiyasi uchun f ’(π/2) ni aniqlang.

A. e^-0.5π B. e^0,5π C. e^π D. e^-π

A) e^(0.5π)

B) e^(-0.5π)

C) e^(π)

D) e^(-π)

2 / 25

f(x)=sin2x funksiyasining barcha boshlang’ich funksiyalarini toping.

A) F(x)=2sin4x+c

B) F(x)=-0,5cos2x+C

C) F(x)=0,5cos2x+C

D) F(x)=-2cos2x+C

3 / 25

Moddiy nuqta qonuniyat bilan harakatlanmoqda, eng katta tezlanishga erishiladigan vaqtni toping.

A) 4

B) 6

C) 5

D) 7

4 / 25

Qavariq ko’pburchakning har bir uchidan uchtadan qirra chiqadi. Agar bu ko’pyoqning qirralari soni 12 ta bo’lsa, uning nechta uchi va yog’i mavjud?

A) 4;10

B) 4;18

C) 4;11

D) 8;10

5 / 25

cos15⁰*cos45⁰ *cos75⁰ ni hisoblang

A) 2√2

B) √8/2

C) √2/2

D) √2

6 / 25

chiziqlar bilan chegaralangan shaklning yuzini toping

A) √2

B) 2

C) 1

D) 0,5

7 / 25

sin3x+ $\sqrt{3}$ cos3x≥0 tengsizligini yeching

A) [-π/9+2πn/3; 2π/9+2πn/3]

B) [-π/9+n π/3;2 π/9+n π/3]

C) (-π/2+n π;- π/2+n π)

D) ø

8 / 25

Ixtiyoriy kvadratga tashqi va ichki chizilgan aylanalar yuzlari nisbati a ga teng. Ixtiyoriy aylanaga ichki va tashqi chizilgan kvadratlar yuzlari nisbati b ga teng bolsa, a/b ni toping

A) 1

B) 335

C) 4

D) 1/2

9 / 25

y>0 bo’lsin. To’g’riburchakning uchlari to’g’ri burchakli koordinatalar sistemasida qyuidagicha berilgan:
A(0;0), B(0;y), C(-9;y) va D(-11;0). To’rtburchak diagonallarining o’tralari orasidagi masofani toping

A) 2

B) √22

C) 1

D) √2

10 / 25

Uchburchakli muntazam prizma asosining radiusi $\sqrt{3}$ ga va balandligi 2 ga teng bo’lgan silindrga ichki chizilgan. Prizma yon sirtining yuzini toping

A) 3

B) 4

C) 36

D) 335

11 / 25

Ushbu funksiyasining boshlang’ich funksiyasini toping

A) ln⁡(|x+2|*|x+1|)

B) (x+2)(x+1)

C) lnIx-1I

D) lnI(x-2)(x-3)I

12 / 25

Karim uyida 14 bet matn terib, 8ta imloviy xatoga yo’l qo’ydi. Agar 1 betda o’rtacha 380 ta so’z bo’lsa, Karim 100ta so’z terganda o’rtacha qancha xato qiladi?

A) 0,15

B) 0,25

C) 1,5

D) 0,5

13 / 25

$f(x)=x^3-2x^2$ funksiya grafigiga x=1 abssisssali nuqtadao`tkazilgan urinma tenglamasini yozing

A) y=x

B) y= 2x

C) y=1/2

D) y=-x

14 / 25

Funksiyaning kamayish oraliqlarini toping

A) (-1;0) va (0;1)

B) (-3;0) va (0;1)

C) (-2;0) va (0;1)

D) (-1;0) va (0;2)

15 / 25

Moddiy nuqta S(t)=5t³+3t²+2t+4 qonuniyat bilan harakatlanayotgan jismning t=2 sekunddagi tezligini toping.

A) 84

B) 70

C) 60

D) 74

16 / 25

Limitni hisoblang:

A) -3

B) 3

C) -4

D) 4

17 / 25

Nargiza 4minutda 260ta so`zni terib, 7ta imloviy xatoga yo`l qo`ydi. Nargizaning matn terish sifatini aniqlang

A) 0,5

B) 0,6

C) 0,0269

D) 0,01

18 / 25

$f(x)=x^3+2x^2+x+3$ funksiyasining kamayish oralig’ini toping.

A) [-1;-1/3]

B) (-∞;-1)

C) (-1/3;+∞)

D) (-1;1/3)

19 / 25

A) 20

B) 13

C) 18

D) 14

20 / 25

f(x)=3x²-5x+4 va g(x)=4x-5 funksiyalarining urinmalari parallel bo’ladigan nuqtalarini toping.

A) 2

B) 1.5

C) 0

D) 0.5

21 / 25

A(-4;3;6) nuqtaning Oxz tekisligiga nisbatan simmrtrik nuqtasini toping.

A) (-8;-3;6)

B) (-4;-3;6)

C) (-4;-6;6)

D) (-4;-3;9)

22 / 25

Uchlari A(2;-3;4) va B(-2;4;5) nuqtalarda bo’lgan AB kesmasining uzunligini toping

A) √19

B) √24

C) √66

D) √55

23 / 25

Moddiy nuqtaning berilgan t vaqtdagi tezligini hisoblang: $s(t)=t^3-2t^2+t$ , t=5

A) 80

B) 90

C) 75

D) 70

24 / 25

Uchlari A(4;0;1), B(5;-2;1), C(4;8;5) nuqtalarda bo’lgan uchburchakning AL bissektrisasi uzunligini toping

A) (2√5)/3

B) (4√2)3

C) 4

D) (4√2)/5

25 / 25

Funksiyaning statsionar nuqtalarini toping $f(x)=2x^3-3x^2-12x+3$

A) x=3, x=2

B) x=-1, x=3

C) x=-1, x=2

D) x=0, x=2

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