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Derivada de y=x/sqrt(x^2cos^2*x)

Función f() - derivada -er orden en el punto
v

Gráfico:

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Solución

Ha introducido [src]
       x       
---------------
   ____________
  /  2    2    
\/  x *cos (x) 
$$\frac{x}{\sqrt{x^{2} \cos^{2}{\left(x \right)}}}$$
x/sqrt(x^2*cos(x)^2)
Primera derivada [src]
                       2       2              
       1          x*cos (x) - x *cos(x)*sin(x)
--------------- - ----------------------------
   ____________                        2      
  /  2    2          x*|x|*|cos(x)|*cos (x)   
\/  x *cos (x)                                
$$\frac{1}{\sqrt{x^{2} \cos^{2}{\left(x \right)}}} - \frac{- x^{2} \sin{\left(x \right)} \cos{\left(x \right)} + x \cos^{2}{\left(x \right)}}{x \cos^{2}{\left(x \right)} \left|{x}\right| \left|{\cos{\left(x \right)}}\right|}$$
Segunda derivada [src]
                                                                2       2    2       2    2                                                       
                     /    sign(x)     sign(cos(x))*sin(x)\   cos (x) + x *sin (x) - x *cos (x) - 4*x*cos(x)*sin(x)   2*(-cos(x) + x*sin(x))*sin(x)
(-cos(x) + x*sin(x))*|- ----------- + -------------------| - ----------------------------------------------------- + -----------------------------
                     |   2                       2       |                   x*|x|*|cos(x)|*cos(x)                        |x|*|cos(x)|*cos(x)     
                     \  x *|cos(x)|       |x|*cos (x)    /                                                                                        
--------------------------------------------------------------------------------------------------------------------------------------------------
                                                                      cos(x)                                                                      
$$\frac{\left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \left(\frac{\sin{\left(x \right)} \operatorname{sign}{\left(\cos{\left(x \right)} \right)}}{\cos^{2}{\left(x \right)} \left|{x}\right|} - \frac{\operatorname{sign}{\left(x \right)}}{x^{2} \left|{\cos{\left(x \right)}}\right|}\right) + \frac{2 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \sin{\left(x \right)}}{\cos{\left(x \right)} \left|{x}\right| \left|{\cos{\left(x \right)}}\right|} - \frac{x^{2} \sin^{2}{\left(x \right)} - x^{2} \cos^{2}{\left(x \right)} - 4 x \sin{\left(x \right)} \cos{\left(x \right)} + \cos^{2}{\left(x \right)}}{x \cos{\left(x \right)} \left|{x}\right| \left|{\cos{\left(x \right)}}\right|}}{\cos{\left(x \right)}}$$
Tercera derivada [src]
                                                                                                                                                                    /                                                                                         2       2    2       2    2                                                       \                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
                                                                                                                                                                    |                     /    sign(x)     sign(cos(x))*sin(x)\   2*(-cos(x) + x*sin(x))   cos (x) + x *sin (x) - x *cos (x) - 4*x*cos(x)*sin(x)   2*(-cos(x) + x*sin(x))*sin(x)|                          /    sign(x)     sign(cos(x))*sin(x)\                            /    sign(x)     sign(cos(x))*sin(x)\ /   2       2    2       2    2                       \                                                           /    sign(x)     sign(cos(x))*sin(x)\                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
                                                                                                                                                                  3*|(-cos(x) + x*sin(x))*|- ----------- + -------------------| - ---------------------- - ----------------------------------------------------- + -----------------------------|   2*(-cos(x) + x*sin(x))*|- ----------- + -------------------|                            |- ----------- + -------------------|*\cos (x) + x *sin (x) - x *cos (x) - 4*x*cos(x)*sin(x)/                                    2*(-cos(x) + x*sin(x))*|- ----------- + -------------------|*sin(x)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
                       /                                                      2                        2                                                      \     |                     |   2                       2       |       x*|x|*|cos(x)|                       x*|x|*|cos(x)|*cos(x)                        |x|*|cos(x)|*cos(x)     |                          |   2                       2       |                            |   2                       2       |                                                                                                                   |   2                       2       |                                   /   2       2    2       2    2                       \             /         2                               2         2              \        2                                          /   2       2    2       2    2                       \        2                           /   2       2    2       2    2                       \                                                         /   2       2    2       2    2                       \                                                                                            
                       |  sign(cos(x))    2*sign(x)    2*DiracDelta(x)   2*sin (x)*sign(cos(x))   2*sin (x)*DiracDelta(cos(x))   2*sign(x)*sign(cos(x))*sin(x)|     \                     \  x *|cos(x)|       |x|*cos (x)    /                                                                                                                 /                          \  x *|cos(x)|       |x|*cos (x)    /   2*(-cos(x) + x*sin(x))   \  x *|cos(x)|       |x|*cos (x)    /                                                           2*(-cos(x) + x*sin(x))*sign(x)                          \  x *|cos(x)|       |x|*cos (x)    /          6*(-cos(x) + x*sin(x))   \cos (x) + x *sin (x) - x *cos (x) - 4*x*cos(x)*sin(x)/*sign(x)   2*\- 3*x*cos (x) - 3*cos(x)*sin(x) + 3*x*sin (x) + 2*x *cos(x)*sin(x)/   2*sin (x)*(-cos(x) + x*sin(x))*sign(cos(x))   4*\cos (x) + x *sin (x) - x *cos (x) - 4*x*cos(x)*sin(x)/   6*sin (x)*(-cos(x) + x*sin(x))   \cos (x) + x *sin (x) - x *cos (x) - 4*x*cos(x)*sin(x)/*sign(cos(x))*sin(x)   8*(-cos(x) + x*sin(x))*sin(x)   4*\cos (x) + x *sin (x) - x *cos (x) - 4*x*cos(x)*sin(x)/*sin(x)   2*(-cos(x) + x*sin(x))*sign(cos(x))*sin(x)   2*(-cos(x) + x*sin(x))*sign(x)*sin(x)
- (-cos(x) + x*sin(x))*|- ------------ - ----------- + --------------- - ---------------------- + ---------------------------- + -----------------------------| + ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - ------------------------------------------------------------ + ---------------------- - --------------------------------------------------------------------------------------------- + ------------------------------ + ------------------------------------------------------------------- + ---------------------- + --------------------------------------------------------------- - ---------------------------------------------------------------------- + ------------------------------------------- + --------------------------------------------------------- + ------------------------------ - --------------------------------------------------------------------------- - ----------------------------- - ---------------------------------------------------------------- - ------------------------------------------ - -------------------------------------
                       |   |x|*cos(x)     3               2                          3                           2                          2    2            |                                                                                          x                                                                                                                       x                                      |x|*|cos(x)|                                                   x*cos(x)                                                       3                                                     cos(x)                                     2                                            3                                                                 x*|x|*|cos(x)|*cos(x)                                                   3                                         2                                                             2                                                   3                                         x*|x|*|cos(x)|*cos(x)                                              2                                                  2                                2                         
                       \                 x *|cos(x)|     x *|cos(x)|          |x|*cos (x)                 |x|*cos (x)                      x *cos (x)         /                                                                                                                                                                                                                                                                                                                                                                                      x *|cos(x)|                                                                                      x *|x|*|cos(x)|                              x *|cos(x)|*cos(x)                                                                                                                  |x|*cos (x)                                     x *|x|*|cos(x)|*cos(x)                         |x|*|cos(x)|*cos (x)                                       x*|x|*cos (x)                                                                                       x*|x|*|cos(x)|*cos (x)                                      x*|x|*cos (x)                            x *|cos(x)|*cos(x)         
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                cos(x)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
$$\frac{\frac{2 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \left(\frac{\sin{\left(x \right)} \operatorname{sign}{\left(\cos{\left(x \right)} \right)}}{\cos^{2}{\left(x \right)} \left|{x}\right|} - \frac{\operatorname{sign}{\left(x \right)}}{x^{2} \left|{\cos{\left(x \right)}}\right|}\right) \sin{\left(x \right)}}{\cos{\left(x \right)}} - \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \left(\frac{2 \sin^{2}{\left(x \right)} \delta\left(\cos{\left(x \right)}\right)}{\cos^{2}{\left(x \right)} \left|{x}\right|} - \frac{2 \sin^{2}{\left(x \right)} \operatorname{sign}{\left(\cos{\left(x \right)} \right)}}{\cos^{3}{\left(x \right)} \left|{x}\right|} - \frac{\operatorname{sign}{\left(\cos{\left(x \right)} \right)}}{\cos{\left(x \right)} \left|{x}\right|} + \frac{2 \sin{\left(x \right)} \operatorname{sign}{\left(x \right)} \operatorname{sign}{\left(\cos{\left(x \right)} \right)}}{x^{2} \cos^{2}{\left(x \right)}} + \frac{2 \delta\left(x\right)}{x^{2} \left|{\cos{\left(x \right)}}\right|} - \frac{2 \operatorname{sign}{\left(x \right)}}{x^{3} \left|{\cos{\left(x \right)}}\right|}\right) + \frac{6 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \sin^{2}{\left(x \right)}}{\cos^{2}{\left(x \right)} \left|{x}\right| \left|{\cos{\left(x \right)}}\right|} + \frac{2 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \sin^{2}{\left(x \right)} \operatorname{sign}{\left(\cos{\left(x \right)} \right)}}{\cos^{3}{\left(x \right)} \left|{x}\right|} + \frac{2 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right)}{\left|{x}\right| \left|{\cos{\left(x \right)}}\right|} - \frac{2 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \left(\frac{\sin{\left(x \right)} \operatorname{sign}{\left(\cos{\left(x \right)} \right)}}{\cos^{2}{\left(x \right)} \left|{x}\right|} - \frac{\operatorname{sign}{\left(x \right)}}{x^{2} \left|{\cos{\left(x \right)}}\right|}\right)}{x} - \frac{8 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \sin{\left(x \right)}}{x \cos{\left(x \right)} \left|{x}\right| \left|{\cos{\left(x \right)}}\right|} - \frac{2 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \sin{\left(x \right)} \operatorname{sign}{\left(\cos{\left(x \right)} \right)}}{x \cos^{2}{\left(x \right)} \left|{x}\right|} - \frac{\left(\frac{\sin{\left(x \right)} \operatorname{sign}{\left(\cos{\left(x \right)} \right)}}{\cos^{2}{\left(x \right)} \left|{x}\right|} - \frac{\operatorname{sign}{\left(x \right)}}{x^{2} \left|{\cos{\left(x \right)}}\right|}\right) \left(x^{2} \sin^{2}{\left(x \right)} - x^{2} \cos^{2}{\left(x \right)} - 4 x \sin{\left(x \right)} \cos{\left(x \right)} + \cos^{2}{\left(x \right)}\right)}{x \cos{\left(x \right)}} - \frac{4 \left(x^{2} \sin^{2}{\left(x \right)} - x^{2} \cos^{2}{\left(x \right)} - 4 x \sin{\left(x \right)} \cos{\left(x \right)} + \cos^{2}{\left(x \right)}\right) \sin{\left(x \right)}}{x \cos^{2}{\left(x \right)} \left|{x}\right| \left|{\cos{\left(x \right)}}\right|} - \frac{\left(x^{2} \sin^{2}{\left(x \right)} - x^{2} \cos^{2}{\left(x \right)} - 4 x \sin{\left(x \right)} \cos{\left(x \right)} + \cos^{2}{\left(x \right)}\right) \sin{\left(x \right)} \operatorname{sign}{\left(\cos{\left(x \right)} \right)}}{x \cos^{3}{\left(x \right)} \left|{x}\right|} + \frac{3 \left(\left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \left(\frac{\sin{\left(x \right)} \operatorname{sign}{\left(\cos{\left(x \right)} \right)}}{\cos^{2}{\left(x \right)} \left|{x}\right|} - \frac{\operatorname{sign}{\left(x \right)}}{x^{2} \left|{\cos{\left(x \right)}}\right|}\right) + \frac{2 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \sin{\left(x \right)}}{\cos{\left(x \right)} \left|{x}\right| \left|{\cos{\left(x \right)}}\right|} - \frac{2 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right)}{x \left|{x}\right| \left|{\cos{\left(x \right)}}\right|} - \frac{x^{2} \sin^{2}{\left(x \right)} - x^{2} \cos^{2}{\left(x \right)} - 4 x \sin{\left(x \right)} \cos{\left(x \right)} + \cos^{2}{\left(x \right)}}{x \cos{\left(x \right)} \left|{x}\right| \left|{\cos{\left(x \right)}}\right|}\right)}{x} - \frac{2 \left(2 x^{2} \sin{\left(x \right)} \cos{\left(x \right)} + 3 x \sin^{2}{\left(x \right)} - 3 x \cos^{2}{\left(x \right)} - 3 \sin{\left(x \right)} \cos{\left(x \right)}\right)}{x \cos{\left(x \right)} \left|{x}\right| \left|{\cos{\left(x \right)}}\right|} - \frac{2 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \sin{\left(x \right)} \operatorname{sign}{\left(x \right)}}{x^{2} \cos{\left(x \right)} \left|{\cos{\left(x \right)}}\right|} + \frac{6 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right)}{x^{2} \left|{x}\right| \left|{\cos{\left(x \right)}}\right|} + \frac{4 \left(x^{2} \sin^{2}{\left(x \right)} - x^{2} \cos^{2}{\left(x \right)} - 4 x \sin{\left(x \right)} \cos{\left(x \right)} + \cos^{2}{\left(x \right)}\right)}{x^{2} \cos{\left(x \right)} \left|{x}\right| \left|{\cos{\left(x \right)}}\right|} + \frac{2 \left(x \sin{\left(x \right)} - \cos{\left(x \right)}\right) \operatorname{sign}{\left(x \right)}}{x^{3} \left|{\cos{\left(x \right)}}\right|} + \frac{\left(x^{2} \sin^{2}{\left(x \right)} - x^{2} \cos^{2}{\left(x \right)} - 4 x \sin{\left(x \right)} \cos{\left(x \right)} + \cos^{2}{\left(x \right)}\right) \operatorname{sign}{\left(x \right)}}{x^{3} \cos{\left(x \right)} \left|{\cos{\left(x \right)}}\right|}}{\cos{\left(x \right)}}$$