математика 2

математика 2

1st Grade

50 Qs

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математика 2

математика 2

Assessment

Quiz

Other

1st Grade

Hard

Created by

Mira Seidakbar

FREE Resource

50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ikki o’zgaruvchili 𝑓(𝑥, y) funksiyaning 𝑦 ga nisbatan xususiy orttirma formulasini toping. Найти формулу частного приращения функции двух переменных 𝑓(𝑥, y) по

y. Find formula of partial increment of a function of two variables 𝑓(𝑥, y) with respect to

𝑦.

∆𝑦𝑓 = 𝑓(𝑥; 𝑦 + ∆𝑦) − 𝑓(𝑥; 𝑦)

∆𝑦𝑓 = 𝑓(𝑥 + ∆𝑦) − 𝑓(𝑥; 𝑦)

∆𝑦𝑓 = 𝑓(𝑥; 𝑦 + ∆𝑦) − 𝑓(𝑥; ∆𝑦)

∆𝑦𝑓 = 𝑓(𝑥 + 𝑦) − 𝑓(𝑥; 𝑦)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ikki karrali integralning xossasi to’g’ri berilgan javobni toping. Найти правильное свойство двойного интеграла. Find the correct property of triple integral.

∬𝐷 (𝑓1(𝑥; 𝑦) − 𝑓2(𝑥; 𝑦))𝑑𝑥𝑑𝑦 = ∬𝐷

𝑓1(𝑥; 𝑦)𝑑𝑥𝑑𝑦 − ∬𝐷

𝑓2(𝑥; 𝑦)𝑑𝑥𝑑𝑦

∬𝐷 (𝑓1(𝑥; 𝑦) − 𝑓2(𝑥; 𝑦))𝑑𝑥𝑑𝑦 = 3 ∬𝐷

𝑓1(𝑥; 𝑦)𝑑𝑥𝑑𝑦 − ∬𝐷

𝑓2(𝑥; 𝑦)𝑑𝑥𝑑𝑦

∬𝐷 (𝑓1(𝑥; 𝑦) − 𝑓2(𝑥; 𝑦))𝑑𝑥𝑑𝑦 = ∬𝐷

𝑓1(𝑥; 𝑦)𝑑𝑥𝑑𝑦 − 3 ∬𝐷

𝑓2(𝑥; 𝑦)𝑑𝑥𝑑𝑦

∬𝐷 (𝑓1(𝑥; 𝑦) − 𝑓2(𝑥; 𝑦))𝑑𝑥𝑑𝑦 = ∬𝐷

𝑓1(𝑥; 𝑦)𝑑𝑥𝑑𝑦 + ∬𝐷

𝑓2(𝑥; 𝑦)𝑑

𝑥𝑑𝑦.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ikki karrali integralning xossasi to’g’ri berilgan javobni toping. Найти правильное свойство двойного интеграла Find the correct property of triple integral.

∬𝐷 (𝑓1(𝑥; 𝑦) + 𝑓2(𝑥; 𝑦))𝑑𝑥𝑑𝑦 = ∬𝐷

𝑓1(𝑥; 𝑦)𝑑𝑥𝑑𝑦 + ∬𝐷

𝑓2(𝑥; 𝑦)𝑑𝑥𝑑𝑦

∬𝐷 (𝑓1(𝑥; 𝑦) + 𝑓2(𝑥; 𝑦))𝑑𝑥𝑑𝑦 = ∬𝐷

𝑓1(𝑥; 𝑦)𝑑𝑥𝑑𝑦 + 𝑘 ∬𝐷

𝑓2(𝑥; 𝑦)𝑑𝑥𝑑𝑦

∬𝐷 (𝑓1(𝑥; 𝑦) + 𝑓2(𝑥; 𝑦))𝑑𝑥𝑑𝑦 = 3 ∬𝐷

𝑓1(𝑥; 𝑦)𝑑𝑥𝑑𝑦 + ∬𝐷

𝑓2(𝑥; 𝑦)𝑑𝑥𝑑𝑦

∬𝐷 (𝑓1(𝑥; 𝑦) + 𝑓2(𝑥; 𝑦))𝑑𝑥𝑑𝑦 = −𝑘 ∬𝐷

𝑓1(𝑥; 𝑦)𝑑𝑥𝑑𝑦 + ∬𝐷

𝑓2(𝑥; 𝑦)𝑑𝑥𝑑𝑦

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

99. Ikki karalla integralning xossasi to’g’ri berilgan qatorni toping. Найти правильное свойство двойного интеграла. Find the correct property of double integral

∬𝐷

𝑐 · 𝑓(𝑥; 𝑦)𝑑𝑥𝑑𝑦 = 𝑐 · ∬𝐷

𝑓(𝑥; 𝑦)𝑑𝑥𝑑𝑦, 𝑐 − 𝑐𝑜𝑛𝑠𝑡

∬ 𝑐 · 𝑓(𝑥; 𝑦)𝑑𝑦𝑑𝑥 = 1 · ∬ 𝑓(𝑥; 𝑦)𝑑𝑥𝑑𝑦, 𝑐 − 𝑐𝑜𝑛𝑠𝑡

𝐷 c 𝐷

∬𝐷 𝑐 · 𝑓(𝑥; 𝑦)𝑑𝑥𝑑𝑦 = ∬𝐷 𝑓(𝑥; 𝑦)𝑑𝑦𝑑𝑥, 𝑐 − 𝑐𝑜𝑛𝑠𝑡

∬𝐷

𝑐 · 𝑓(𝑥; 𝑦)𝑑𝑥𝑑𝑦 = 3𝑐 · ∬𝐷

𝑓(𝑦; 𝑥)𝑑𝑥𝑑𝑦, 𝑐 − 𝑐𝑜𝑛𝑠𝑡

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

А(1,0) nuqtadan В(0,2) nuqtagacha oraliqda ∫ (𝑥𝑦 − 1)𝑑𝑥 + 𝑥2𝑦𝑑𝑦

egri chiziqli

integralni hisoblang. Вычислить криволинейный интеграл ∫ (𝑥𝑦 − 1)𝑑𝑥 + 𝑥2𝑦𝑑𝑦 от

точки А(1,0) до точки В(0,2). Calculate curvilinear integral ∫ (𝑥𝑦 − 1)𝑑𝑥 + 𝑥2𝑦𝑑𝑦

from point А(1,0) to point В(0,2).

-1

1

0

2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

𝑥 = 𝑐𝑜𝑠3𝑡, 𝑦 = 𝑠𝑖𝑛3𝑡 astroid yoyi bo’yicha 𝐸(−1, 0) va 𝐻(0,1) nuqtalar orasida

∫ (43√𝑥 − 3√𝑦)𝑑𝑆

egri chiziqli integralni hisoblang. Вычислить криволинейный

интеграл ∫ (43√𝑥 − 3√𝑦)𝑑𝑆

от точки 𝐸(−1, 0) до точки 𝐻(0,1) по дуге астроиды

𝑥 = 𝑐𝑜𝑠3𝑡, 𝑦 = 𝑠𝑖𝑛3𝑡. Calculate line integral ∫ (43√𝑥 − 3√𝑦)𝑑𝑆

from point

𝐸(−1, 0) to point 𝐻(0,1) a long the arc of the astroid 𝑥 = 𝑐𝑜𝑠3𝑡, 𝑦

𝑠𝑖𝑛3𝑡.

7

46

7

− 46

7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

96. ∫ 𝑑𝑆

egri chiziqli integralni hisoblang, bunda 1 to’g’ri chiziqning

𝛾 𝑥−𝑦 2

A(0,2) va B(4,0) nuqtalar orasiga qismi. Вычислить криволинейный интеграл ∫ 𝑑𝑆 ,

𝛾 𝑥−𝑦

где γ – отрезок прямой 𝑦 = 1 𝑥 − 2, заключенного между точками 𝐴(0, 2) и 𝐵(4, 0).

2

Calculate the curvilinear integral ∫ 𝑑𝑆 , where γ is a straight line segment 1 ,

𝛾 𝑥−𝑦 2

enclosed between points A(0,2) and B(4,0)

𝑙𝑛2

√5𝑙𝑛2

√5

2.

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