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Derivadas trigonométricas inversas y logaritmo (propiedades)

Authored by Sally González

Mathematics

University

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Derivadas trigonométricas inversas y logaritmo (propiedades)
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7 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Encuentra la derivada de la función (usa propiedades de logaritmos):

 f(x)=lnx17x+17f\left(x\right)=\ln\sqrt{\frac{x-17}{x+17}}  

 f(x)=12[34(x+17)(x17)]f'\left(x\right)=\frac{1}{2}\left[\frac{34}{\left(x+17\right)\left(x-17\right)}\right]   

 f(x)=34(x+17)(x17)f'\left(x\right)=\frac{34}{\left(x+17\right)\left(x-17\right)}  

 f(x)=1x17x+17f'\left(x\right)=\frac{1}{\sqrt{\frac{x-17}{x+17}}}  

 f(x)=12[ln(x17)ln(x+17)]f'\left(x\right)=\frac{1}{2}[\ln⁡(x-17)-\ln⁡(x+17)]  

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Simplifica la expresión usando propiedades de logaritmos  f(x)=ln[(3x+4)3(7x+3)4(3x2)8]f\left(x\right)=\ln\left[\frac{\left(3x+4\right)^3}{\left(7x+3\right)^4\left(3x-2\right)^8}\right]  

 f(x)=3ln(3x+4)4ln(7x+3)+8ln(3x2)f\left(x\right)=3\ln\left(3x+4\right)-4\ln\left(7x+3\right)+8\ln\left(3x-2\right)  

 f(x)=3ln(3x+4)8ln(7x+3)4ln(3x2)f\left(x\right)=3\ln\left(3x+4\right)-8\ln\left(7x+3\right)-4\ln\left(3x-2\right)  

 f(x)=3ln(3x+4)4ln(7x+3)8ln(3x2)f\left(x\right)=3\ln\left(3x+4\right)-4\ln\left(7x+3\right)-8\ln\left(3x-2\right)  

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Encuentra la derivada de la función 


 f(x)=ln[(3x+4)3(5x+2)5(7x+3)4(3x2)8]f\left(x\right)=\ln\left[\frac{\left(3x+4\right)^3\left(5x+2\right)^5}{\left(7x+3\right)^4\left(3x-2\right)^8}\right]  

 1260x3+4914x2+3742x+836315x4+471x352x2196x+48\frac{1260x^3+4914x^2+3742x+836}{315x^4+471x^3-52x^2-196x+48}  

 f´(x)=93x+4+255x+2287x+3243x2f´\left(x\right)=\frac{9}{3x+4}+\frac{25}{5x+2}-\frac{28}{7x+3}-\frac{24}{3x-2}  

 f´(x)=33x+4+55x+247x+383x2f´\left(x\right)=\frac{3}{3x+4}+\frac{5}{5x+2}-\frac{4}{7x+3}-\frac{8}{3x-2}  

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Encuentra la derivada de la siguiente función 


 f(x)=ln((sin2 x)(7x+1)4)f\left(x\right)=\ln\left(\left(\sin^2\ x\right)\left(7x+1\right)^4\right)  

 f(x)=28sinx+(14+2)cos x(7x+1)(cos x)f'\left(x\right)=\frac{28\sin x+\left(14+2\right)\cos\ x}{\left(7x+1\right)\left(\cos\ x\right)}  

 f(x)=cot x+287x+1f'\left(x\right)=\cot\ x+\frac{28}{7x+1}  

 f(x)=2cos xsin x+287x+1f'\left(x\right)=\frac{2\cos\ x}{\sin\ x}+\frac{28}{7x+1}  

5.

MULTIPLE SELECT QUESTION

15 mins • 1 pt

Encuentra la ecuación de la recta tangente en el punto dado

 f(x)=x arctan x;      x=1f\left(x\right)=x\ \arctan\ x;\ \ \ \ \ \ x=1  

 y=π8x+π8y=\frac{\pi}{8}x+\frac{\pi}{8}  

 y=π4+1y=\frac{\pi}{4}+1  

 y=π8(x1)y=\frac{\pi}{8}\left(x-1\right)  

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Encuentra la ecuación de la recta tangente en el punto dado:

 f(x)=arcsin(x1);    en x=1f\left(x\right)=\arcsin\left(x-1\right);\ \ \ \ en\ x=1  

 y=x1π2y=x-1-\frac{\pi}{2}  

 y=x1y=x-1  

 y=π2xπ2y=\frac{\pi}{2}x-\frac{\pi}{2}  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

BONUS:

 3+5×43+5\times4  

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