
математика 2

Quiz
•
Other
•
1st Grade
•
Hard
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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