
Тест по фнп
Quiz
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Mathematics
•
University
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Practice Problem
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Medium
Евгения Дмитрук
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10 questions
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1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Значение функции двух переменных z=2х-y+15 в точке A(-2,1) равно
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Предел функции двух переменных z=х2+2y2+6 в точке (0,1) равен
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-9x^2
-3x^3
-3
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Для дифференцируемой в точке M(x,y) функции двух переменных z=f(x,y) верно:
В этой точке существует хотя бы частная производная
В этой точке существует хотя бы частная производная
В этой точке существует обе частные производные
нет производных
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Полная производная сложной функции z=cosx-y двух переменных при x==t^2, y=t^4 равна:
1.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Касательная плоскость к поверхности z=2x2 +y2 в точке М(1,1,3) равна:
2х+4y-z-3=0
4х+2y-z-3=0
2х+2y+z+3=0
2х+y+z-3=0
4х+2y+3=0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Нормальный вектор касательной плоскости к поверхности z=2x2 +y2 в точке М(1,1,3) равен:
(4,2,0)
(4,2,1)
(4,2,-1)
(3,3,3)
(2,1,0)
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