Barcha natural sonlar uchun, quyidagi funksiyani ko'ramiz: f(n) = log₂₀₀₂n².
N = f(11) + f(13) + f(14) uchun quyidagi munosabatlardan qaysi biri o'rinli?
N = f(11) + f(13) + f(14) uchun quyidagi munosabatlardan qaysi biri o'rinli?
Anonymous Poll
14%
A) N < 1
20%
B) N = 1
39%
C) 1 < N < 2
20%
D) N = 2
8%
E) N > 2
a² + b² + c² + (a+b+c)² = 8 bo'lsa,
(a+b)(b+c)(a+c) ning eng katta qiymatini toping.
(a+b)(b+c)(a+c) ning eng katta qiymatini toping.
Anonymous Quiz
19%
A) 16√6 / 5
38%
B) 16√6 / 15
34%
C) 16√6 / 9
9%
D) 16√6 / 7
Ikkita turli musbat a va b sonlarning har biri o'zlarining teskari qiymatlari bilan 1 ga farq qiladi. a + b ning qiymatini toping.
Anonymous Quiz
20%
A) 1
41%
B) 2
32%
C) √5
7%
D) √6
8 ta butun sonlar qatorining o'rta arifmetigi, mediana, yagona modasi va shu sonlar qatorining kengligi (ko'lami) barchasi 8 ga teng. Ushbu sonlar qatorining eng katta elementi nechaga teng bo'lishi mumkin?
Anonymous Quiz
22%
A) 15
40%
B) 14
24%
C) 13
14%
D) 12
Quyidagi ko'paytmaning nechta aniq kvadrat ( biror natural sonning kvadrati) bo'luvchilari mavjud:
1! • 2! • ... • 9!
1! • 2! • ... • 9!
Anonymous Quiz
21%
A) 504
40%
B) 672
28%
C) 864
12%
D) 936
x + 1 / x = 3 bo'lsa,
x⁴ - 7x² + 4 ifodaning qiymatini toping.
x⁴ - 7x² + 4 ifodaning qiymatini toping.
Anonymous Quiz
26%
A) 2
41%
B) 3
25%
C) 4
9%
D) 5
y = sin (1/x) funksiyaning (0,0001; 0,001) intervaldagi nollari quyidagi sonlardan qaysi biriga yaqin?
Anonymous Quiz
19%
A) 2900
29%
B) 3000
30%
C) 3100
15%
D) 3200
7%
E) 3300
MATEMATIK TESTLAR | Shopõlatov Shomurod
Photo
Rasmda f(x) = ax³ + bx² + cx + d funksiya grafigining bir qismi berilgan. b ning qiymatini toping.
Anonymous Quiz
13%
A) - 4
30%
B) - 2
28%
C) 0
19%
D) 2
10%
E) 4
MATEMATIK TESTLAR | Shopõlatov Shomurod
Photo
Uchta r = 1 ga teng yarim aylanalar radiusi 2ga teng AB diametrli yarim aylana ichida chizilgan. Kichik yarim aylanalar markazlari AB ni teng 4 qismga ajratadi. Bõyalgan soha (katta yarim aylana ichki, kichik yarim aylanalar tashqi qismi) yuzasini toping.
Anonymous Quiz
16%
A) π - √3
45%
B) (π + √2) / 2
29%
C) (π - √2) / 6
10%
D) 7π / 6 - √3 / 2
x + 2y = 100 tenglamaning nechta (x,y) - tartiblangan musbat yechimlari mavjud?
Anonymous Quiz
20%
A) 33
25%
B) 49
31%
C) 50
13%
D) 99
10%
E) 100
MATEMATIK TESTLAR | Shopõlatov Shomurod
Photo
Yuqoridagi savolning javobini toping.
Anonymous Quiz
26%
A) U - V
26%
B) V - W
29%
C) W - X
14%
D) X - Y
5%
E) Y - Z
Agarda f(x) = ax + b, f⁻¹(x) = bx + a bo'lsa (bu yerda a va b sonlar haqiqiy sonlar), a + b ning qiymatini toping.
Anonymous Quiz
14%
A) -2
23%
B) -1
33%
C) 0
21%
D) 1
8%
E) 2