Олимпиада 2 тур

Олимпиада 2 тур

9th Grade - University

5 Qs

quiz-placeholder

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Олимпиада 2 тур

Олимпиада 2 тур

Assessment

Quiz

Mathematics

9th Grade - University

Practice Problem

Hard

Created by

SU Zhan

Used 4+ times

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5 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

10 mins • 1 pt

Функцияның туындысын табыңыз
Вычислите производную функции

 f(x)=3(40,5x)4+44x3sin35xf\left(x\right)=\frac{3}{\left(4-0,5x\right)^4}+\frac{4}{\sqrt{4x-3}}-\sin^35x  

 10(40,5x)58(4x3)315sin25xcos5x\frac{10}{\left(4-0,5x\right)^5}-\frac{8}{\sqrt{\left(4x-3\right)^3}}-15\sin^25x\cos5x  

 10(40,5x)58(4x3)315cos25x\frac{10}{\left(4-0,5x\right)^5}-\frac{8}{\sqrt{\left(4x-3\right)^3}}-15\cos^25x  

 5(40,5x)58(4x3)15sin25xcos5x+15sin25x\frac{5}{\left(4-0,5x\right)^5}-\frac{8}{\sqrt{\left(4x-3\right)^{ }}}-15\sin^25x\cos5x+15\sin^25x  

 5(40,5x)53(4x3)315sin25x\frac{5}{\left(4-0,5x\right)^5}-\frac{3}{\sqrt{\left(4x-3\right)^3}}-15\sin^25x  

2.

MULTIPLE SELECT QUESTION

10 mins • 1 pt

Өрнекті ықшамдаңыздар

Упростите выражение
 4sin25sin65cos40\frac{4\sin25\sin65}{\cos40}  

4

2

 4sin25cos40\frac{4\sin25}{\cos40}  

 cos 50cos40\frac{\cos\ 50}{\cos40}  

3.

MULTIPLE SELECT QUESTION

10 mins • 1 pt

Интегралды есептеңіз
Вычислите интеграл

 0πcos(2π33x)dx\int_0^{\pi}\cos\left(\frac{2\pi}{3}-3x\right)dx  


 12\frac{1}{\sqrt{2}}  

 13\frac{1}{\sqrt{3}}  

 2\sqrt{2}  

-3

4.

MULTIPLE SELECT QUESTION

10 mins • 1 pt

Теңдеуді шешіңіз
Решите уравнения
 xlog5(x1)=5\sqrt{x}^{\log_5\left(x-1\right)}=5  

0,2; 25

5; 0.2

0,8; 25

0,8; 0,2

5.

MULTIPLE SELECT QUESTION

10 mins • 1 pt

Media Image

Заңдылықты анықтап, x2  xx^2\ -\ \sqrt{x}  табыңыз

Найди закономерность и вычислите значения выражения x^2\ -\ \sqrt{x}  

225

625

620

600

25