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математика 4

Authored by Mira Seidakbar

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1st Grade

математика 4
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47 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1

𝑦 = 𝑥𝑦′ + 1

(𝑦′)2

. Klero tenglamasini yeching. Решите уравнение Клеро 𝑦 =

𝑥𝑦′ + 1 . Solve the Clairaut equation 𝑦 = 𝑥𝑦′ + 1

(𝑦′)2

𝑦 = 1+𝑥2

{ 1

(𝑦′)2

𝑦 = 𝑥𝐶 + 𝐶2

𝑦 = 1−𝑥2

{ 1

𝑦 = 𝑥𝐶 + 𝐶2

𝑦 = 1−𝑥2

{ 1

𝑦 = 𝑥𝐶 − 𝐶2

𝑦 = 1+𝑥2

{ 1

𝑦 = −𝑥𝐶 − 𝐶2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

𝑧 = ln(𝑥2 − 𝑦) funksiyaning aniqlanish sohasini toping. Найдите область определения функции 𝑧 = ln(𝑥2 − 𝑦). Find the domain of the function 𝑧 = ln(𝑥2 − 𝑦).

𝑦 < 𝑥2

𝑦 < −𝑥2

𝑦 < 𝑥

𝑦 > 𝑥2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ushbu tenglamalardan qaysi biri o’zgaruvchilari ajraladigan diffferensial tenglama? Какое из этих уравнений является дифференциальным уравнением с разделяющимися переменными? Which of these equations is a separable differential

equation?

𝑦′ = 𝑥𝑦

𝑦′ = 𝑦´ + 𝑠𝑖𝑛𝑦´

𝑦 = √𝑦′ + (𝑦′)2

𝑦′ + 2𝑦 = 𝑒𝑥

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

197. 𝑥𝑦′ = 𝑥 + 2𝑦 bir jinsli tenglamani yeching. Решите однородное уравнение 𝑥𝑦′ = 𝑥 + 2𝑦. Solve homogeneous equation 𝑥𝑦′ = 𝑥 + 2𝑦.

𝑦 = 𝑥(𝐶𝑥 − 1)

𝑦 = 2𝑥(𝐶𝑥 − 1)

𝑦 = 𝑥(𝐶𝑥 − 2)

𝑦 = 𝑥(𝐶𝑥 + 1)

2 1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

198. ∫O 𝑑𝑥∫O (𝑥 − 𝑦)𝑑𝑦 Ikki karrali integralni hisoblang. Вычислите двойной

2 1 2 1

интеграл ∫O 𝑑𝑥∫O (𝑥 − 𝑦)𝑑𝑦. Calculate double integral ∫O 𝑑𝑥∫O (𝑥 − 𝑦)𝑑𝑦.

1

0

-1

-2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

𝑦′ = 𝑥 differensial tenglamani yeching. Решите дифференциальное уравнение

𝑦′ = 𝑥. Solve a differential equation 𝑦′ = 𝑥.

𝑦 = 𝑥2 + 𝐶

2

𝑦 = − 𝑥2 + 𝐶

2

𝑦 = 𝑥2 + 𝐶

3

𝑦 = 3𝑥2 + 𝐶

2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

𝑀O(1; −1; 2) nuqtadagi 𝑧 = 𝑥2 + 𝑦2 aylanma paraboloidiga urinuvchi tekislik tenglamasini yozing. Написать уравнения касательной плоскости к параболоиду

вращения 𝑧 = 𝑥2 + 𝑦2 в точке 𝑀O(1; −1; 2). Write the equations of the tangent plane to paraboloid 𝑧 = 𝑥2 + 𝑦2 at point 𝑀O(1; −1; 2).

𝑧 − 2 = 2 · (𝑥 − 1) − 2 · (𝑦 + 1)

𝑧 − 2 = 2 · (𝑥 + 1) − 2 · (𝑦 + 1)

𝑧 − 2 = 2 · (𝑥 − 1) − 2 · (𝑦 − 1)

𝑧 − 2 = 2 · (𝑥 − 1) + 2 · (𝑦 + 1)

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