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Examen Diagnóstico. Ecuaciones Diferenciales

Authored by daniel rubal

Mathematics

University

Used 96+ times

Examen Diagnóstico. Ecuaciones Diferenciales
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8 questions

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1.

OPEN ENDED QUESTION

3 mins • Ungraded

¿Cuál es la definición de derivada?

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2.

OPEN ENDED QUESTION

3 mins • Ungraded

¿Cuál es la definición de integral?

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3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

¿Cuál es la derivada de la siguiente función  f(x)=2x23x1f\left(x\right)=\frac{2x^2-3}{x-1}  

 f(x)=4xf'\left(x\right)=4x  

 f(x)=2x24x3(x1)2f'\left(x\right)=\frac{2x^2-4x-3}{\left(x-1\right)^2}  

 f(x)=2x24x+3(x1)2f'\left(x\right)=\frac{2x^2-4x+3}{\left(x-1\right)^2}  

 f(x)=6x24x3(x1)2f'\left(x\right)=\frac{6x^2-4x-3}{\left(x-1\right)^2}  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

¿Cuál es la derivada de la función  f(x)=cos(x)f\left(x\right)=-\cos\left(x\right)  ?

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5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

¿Cuál es la derivada de  f(x)=ln(ex2)f\left(x\right)=\ln\left(e^{x^2}\right)  ?

 f(x)=2xex2f'\left(x\right)=2xe^{x^2}  

 f(x)=ex2f'\left(x\right)=e^{x^2}  

 f(x)=2xf'\left(x\right)=2x  

 f(x)=2xex2f'\left(x\right)=\frac{2x}{e^{x^2}}  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

¿Cuál es la derivada de  cos(4x2+1)\sqrt{\cos\left(-4x^2+1\right)}  ?

 f(x)=4xcos(4x2+1)sen(4x2+1)f'\left(x\right)=-4x\sqrt{\cos\left(-4x^2+1\right)}sen\left(-4x^2+1\right)  

 f(x)=12(sen(8x)12)f'\left(x\right)=\frac{1}{2}\left(sen\left(-8x\right)^{-\frac{1}{2}}\right)  

 f(x)=sen(8x)f'\left(x\right)=\sqrt{-sen\left(-8x\right)}  

 f(x)=4xsen(4x2+1)cos(4x2+1)f'\left(x\right)=\frac{4xsen\left(-4x^2+1\right)}{\sqrt{\cos\left(-4x^2+1\right)}}  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

¿Cuál es el resultado de  xx21dx\int_{ }^{ }x\sqrt{x^2-1}dx  ?

 12(x21)12+C\frac{1}{2\left(x^2-1\right)^{\frac{1}{2}}}+C  

 12(x21)32+C\frac{1}{2}\left(x^2-1\right)^{\frac{3}{2}}+C  

 1(x21)12+C\frac{1}{\left(x^2-1\right)^{\frac{1}{2}}}+C  

 (x21)32+C\left(x^2-1\right)^{\frac{3}{2}}+C  

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