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Cálculo Integral

Authored by SERGIO CASAHUILCA

Mathematics

University

Used 2+ times

Cálculo Integral
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Resuelva la siguiente Integral:


 (3x2+2x+1).dx\int\left(3x^2+2x+1\right).dx 

x3+x2+x+Cx^3+x^2+x+C

3x3+2x2+x+C3x^3+2x^2+x+C

6x2+4x+C6x^2+4x+C

6x2+C6x^2+C

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Resolver la siguiente Integral:



 2x+3x2+3x5.dx\int\frac{2x+3}{x^2+3x-5}.dx  

 Lnx+CLn\left|x\right|+C  

 Lnx+1+CLn\left|x+1\right|+C  

 Lnx2+3x5+CLn\left|x^2+3x-5\right|+C  

 x2+3x5+Cx^2+3x-5+C  

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Calcular la siguiente Integral:

 x3x2+49.dx\int\frac{x-3}{x^2+49}.dx  



 16Lnx2+737Arctan(x7)+C\frac{1}{6}Ln\left|x^2+7\right|-\frac{3}{7}Arc\tan\left(\frac{x}{7}\right)+C  

 12Lnx2+4937Arctan(x7)+C\frac{1}{2}Ln\left|x^2+49\right|-\frac{3}{7}Arc\tan\left(\frac{x}{7}\right)+C  

 13Lnx+7+37Arctan(x49)+C\frac{1}{3}Ln\left|x+7\right|+\frac{3}{7}Arc\tan\left(\frac{x}{49}\right)+C  

 Ln(x2+49)37Arctan(x49)+CLn\left(x^2+49\right)-\frac{3}{7}Arc\tan\left(\frac{x}{49}\right)+C  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Según el Método de Integración por Partes:
 x2.ex.dx\int x^2.e^x.dx  
¿Que valor toma v?

 v=exv=e^x  

 v=2xv=2x  

 v=e.xv=e.x  

 v=x2v=x^2  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Resuelva la siguiente Integral:

 x.cosx.dx\int x.\cos x.dx  


 x.senx+cosx+Cx.senx+\cos x+C  

 senx+cosx+Csenx+\cos x+C  

 x.senxcosx+Cx.senx-\cos x+C  

 senxcosx+Csenx-\cos x+C  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Resuelva la siguiente Integral:

 cos2x.dx\int\cos^2x.dx  


 x+sen2x2+C\frac{x+sen2x}{2}+C  

 x+sen2x+Cx+sen2x+C  

 (1sen2)+C\left(1-sen^2\right)+C  

 12[x+sen2x2]+C\frac{1}{2}\left[\frac{x+sen2x}{2}\right]+C  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Al resolver la siguiente integral:

 4x2x2.dx\int\frac{\sqrt{4-x^2}}{x^2}.dx 

La sustitución trigonométrica más adecuada es: 

 Senθ=x2Sen\theta=\frac{x}{2}  

 Secθ=x2Sec\theta=\frac{x}{2}  

 Tanθ=x3Tan\theta=\frac{x}{3}  

 Senθ=x3Sen\theta=\frac{x}{3}  

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