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Математические задачи

Authored by Bahrom Mirzayev

Mathematics

Professional Development

Математические задачи
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8 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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

e

1

2

0

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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

(3,5,7,11)

(2,7,17,19)

(11,13,17,23)

Bunday to'plam yo'q

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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

2023/2024 cos(x²³)

2023! cos(x²³)

0

Yechim yo'q

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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

540

2+3+5+7+523

541

37+503

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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

Faqat oddiy sonlarni ishlab chiqaradi

Har doim murakkab sonlarni ishlab chiqaradi

n < 41 uchun oddiy, lekin keyin yo'q

Cheksiz miqdorda oddiy sonlarni ishlab chiqaradi

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

Cheksiz

1

3

2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

0

15

10

5

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