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微積分(二)期末考

Authored by F9806001 張世旭

Mathematics

University

Used 4+ times

微積分(二)期末考
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30 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 12(2x+1)dx=\int_1^2\left(2x+1\right)dx=  

0

1

2

4

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 y=ln(x2+1),dydx=y=\ln\left(x^2+1\right),\frac{\text{d}y}{\text{d}x}=  

 1x2+1\frac{1}{x^2+1}  

 2xx2+1\frac{2x}{x^2+1}  

 2x2x  

 1x\frac{1}{x}  

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 z=f(x,y)=x2+y3+xy,zy=z=f\left(x,y\right)=x^2+y^3+xy,\frac{\partial z}{\partial y}=  

 2x+3y2+x+y2x+3y^2+x+y  

 3y2+x3y^2+x  

 2x+3y22x+3y^2  

 x2+y3+xyx^2+y^3+xy  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 z=f(x,y)=x2+y3+xy,x(zy)=z=f\left(x,y\right)=x^2+y^3+xy,\frac{\partial}{\partial x}\left(\frac{\partial z}{\partial y}\right)=  

1

0

 2x2+6y2x^2+6y  

 2x2x  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 f(x)=e2x,dydx=f\left(x\right)=e^{2x},\frac{\text{d}y}{\text{d}x}=  

 exe^x  

 e2xe^{2x}  

 2e2x2e^{2x}  

 12e2x\frac{1}{2}e^{2x}  

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 0213(2x)dxdy=\int_0^2\int_1^3\left(2x\right)dxdy=  

 x2yx^2y  

16

8

32

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 f(x)=sin(2x),ff=ddx (dfdx)=f\left(x\right)=\sin\left(2x\right),f微兩次f^{''}=\frac{\text{d}}{\text{d}x}\ \left(\frac{\text{d}f}{\text{d}x}\right)=  

ˊ 4cos(2x)4\cos\left(2x\right)  

 4cos(2x)-4\cos\left(2x\right)  

 4sin(2x)-4\sin\left(2x\right)  

 4sin(2x)4\sin\left(2x\right)  

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