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Математические задачи

Total questions: 8

Worksheet time: 5mins

Name
Class
Date
1.

Quyidagi ifodani soddalashtiring va uning eng kichik butun qiymatini toping: lim n→∞(∑k=1n 1/k²) / n

a)

e

b)

1

c)

2

d)

0

2.

Sonlar nazariyasi: quyidagi tenglamaning oddiy yechimlarini toping: p² + q² = r² + s², bu yerda p, q, r, s - barchasi tabiiy sonlar.

a)

(3,5,7,11)

b)

(2,7,17,19)

c)

(11,13,17,23)

d)

Bunday to'plam yo'q

3.

Quyidagi funksiyaning 2024-chi hosilasini toping: f(x) = sin(x²³).

a)

2023/2024 cos(x²³)

b)

2023! cos(x²³)

c)

0

d)

Yechim yo'q

4.

To‘g‘ri besh burchakning ichki burchaklari yig‘indisini toping, lekin uni oddiy sonlar yig‘indisi sifatida yozing.

a)

540

b)

2+3+5+7+523

c)

541

d)

37+503

5.

Quyidagi maxsus funktsiyaning qanday xususiyati bor: f(n) = n² - n + 41?

a)

Faqat oddiy sonlarni ishlab chiqaradi

b)

Har doim murakkab sonlarni ishlab chiqaradi

c)

n < 41 uchun oddiy, lekin keyin yo'q

d)

Cheksiz miqdorda oddiy sonlarni ishlab chiqaradi

6.

Quyidagi ifodaning eng katta butun qiymatini toping: f(n) = 2n + 3, n > 0.

a)

Cheksiz

b)

1

c)

3

d)

2

7.

Quyidagi tenglamaning yechimini toping: 3x + 5 = 20.

a)

0

b)

15

c)

10

d)

5

8.

Quyidagi ifodani soddalashtiring: (x² - 1) / (x - 1).

a)

x² + 1

b)

1

c)

x - 1

d)

x + 1