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DERIVADAS PARCIALES

Authored by Darling Vasquez Cassis

Mathematics

University

Used 20+ times

DERIVADAS PARCIALES
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7 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sea la función

 F(x,y)=x2y22xy2F(x,y)=x^2y^2−2xy^2  
Determine el valor de  Fx\frac{\partial F}{\partial x}  como  Fy\frac{\partial F}{\partial y}  en el punto  P(2,1)P\left(2,1\right)  


 Fx=2\frac{\partial F}{\partial x}=2   Fy=0\frac{\partial F}{\partial y}=0  

 \frac{\partial F}{\partial x}=2   Fy=2\frac{\partial F}{\partial y}=2  

 Fx=0\frac{\partial F}{\partial x}=0   \frac{\partial F}{\partial y}=0  

 Fx=0\frac{\partial F}{\partial x}=0   Fy=2\frac{\partial F}{\partial y}=2  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sea la función

 F(x,y)=3x3y2x2y2+y3F\left(x,y\right)=3x^3y-2x^2y^2+y^3  
Determine el valor de  Fx\frac{\partial F}{\partial x}  como  Fy\frac{\partial F}{\partial y}  en el punto  P(1,2)P\left(1,-2\right)  

 Fx=34\frac{\partial F}{\partial x}=-34   Fy=23\frac{\partial F}{\partial y}=23 

 Fx=34\frac{\partial F}{\partial x}=34   Fy=23\frac{\partial F}{\partial y}=-23 

 Fx=34\frac{\partial F}{\partial x}=-34   Fy=23\frac{\partial F}{\partial y}=-23 

 Fx=34\frac{\partial F}{\partial x}=34   Fy=23\frac{\partial F}{\partial y}=23 

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Se sabe que z = f(x,y), con sus derivadas parciales dadas. Hallar la expresión de f(x,y).

Media Image
Media Image
Media Image
Media Image

Es otra expresión.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Si\ f\left(x,y\right)=3x^2y,\ \frac{\partial f}{\partial x}=  

 6xy6xy  

 6xy+3x26xy+3x^2  

 6x6x  

 00  

 Ninguna de las anterioresNinguna\ de\ las\ anteriores  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Si  f(l,k)=3l13k23f\left(l,k\right)=3l^{\frac{1}{3}}k^{\frac{2}{3}} , fk=f_k=  

 2l13k13\frac{2l^{\frac{1}{3}}}{k^{\frac{1}{3}}}  

 23l23k13\frac{2}{3l^{\frac{2}{3}}k^{\frac{1}{3}}}  

 3l1323k13 3l^{\frac{1}{3}}\cdot\frac{2}{3k^{\frac{1}{3\ }}}  

 00  

Ninguna de las anteriores

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Si  f(r,s)=rln(5s), fs=f\left(r,s\right)=r\ln\left(5s\right),\ \frac{\partial f}{\partial s}=  

 rs\frac{r}{s}  

 5rs\frac{5r}{s}  

 15s\frac{1}{5s}  

 15r\frac{1}{5r}  

Ninguna de las anteriores

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 Si g(x,y,z)=exyz, gx=Si\ g(x,y,z)=e^{xyz},\ g_x= 

 yzexyzyze^{xyz}  

 eyze^{yz}  

 xexyzxe^{xyz}  

 yzexyze^x  

Ninguna de las anteriores

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