Sr Examen

Derivada de y=arctg2x∙tg2x

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

Gráfico:

interior superior

Definida a trozos:

Solución

Ha introducido [src]
atan(2*x)*tan(2*x)
$$\tan{\left(2 x \right)} \operatorname{atan}{\left(2 x \right)}$$
atan(2*x)*tan(2*x)
Gráfica
Primera derivada [src]
/         2     \             2*tan(2*x)
\2 + 2*tan (2*x)/*atan(2*x) + ----------
                                      2 
                               1 + 4*x  
$$\left(2 \tan^{2}{\left(2 x \right)} + 2\right) \operatorname{atan}{\left(2 x \right)} + \frac{2 \tan{\left(2 x \right)}}{4 x^{2} + 1}$$
Segunda derivada [src]
  /       2                                                         \
  |1 + tan (2*x)   /       2     \                      2*x*tan(2*x)|
8*|------------- + \1 + tan (2*x)/*atan(2*x)*tan(2*x) - ------------|
  |          2                                                    2 |
  |   1 + 4*x                                           /       2\  |
  \                                                     \1 + 4*x /  /
$$8 \left(- \frac{2 x \tan{\left(2 x \right)}}{\left(4 x^{2} + 1\right)^{2}} + \left(\tan^{2}{\left(2 x \right)} + 1\right) \tan{\left(2 x \right)} \operatorname{atan}{\left(2 x \right)} + \frac{\tan^{2}{\left(2 x \right)} + 1}{4 x^{2} + 1}\right)$$
Tercera derivada [src]
   //          2  \                                                                                                          \
   ||      16*x   |                                                                                                          |
   ||-1 + --------|*tan(2*x)                                                                                                 |
   ||            2|                                                              /       2     \     /       2     \         |
   |\     1 + 4*x /            /       2     \ /         2     \             6*x*\1 + tan (2*x)/   3*\1 + tan (2*x)/*tan(2*x)|
16*|------------------------ + \1 + tan (2*x)/*\1 + 3*tan (2*x)/*atan(2*x) - ------------------- + --------------------------|
   |                2                                                                      2                       2         |
   |      /       2\                                                             /       2\                 1 + 4*x          |
   \      \1 + 4*x /                                                             \1 + 4*x /                                  /
$$16 \left(- \frac{6 x \left(\tan^{2}{\left(2 x \right)} + 1\right)}{\left(4 x^{2} + 1\right)^{2}} + \left(\tan^{2}{\left(2 x \right)} + 1\right) \left(3 \tan^{2}{\left(2 x \right)} + 1\right) \operatorname{atan}{\left(2 x \right)} + \frac{3 \left(\tan^{2}{\left(2 x \right)} + 1\right) \tan{\left(2 x \right)}}{4 x^{2} + 1} + \frac{\left(\frac{16 x^{2}}{4 x^{2} + 1} - 1\right) \tan{\left(2 x \right)}}{\left(4 x^{2} + 1\right)^{2}}\right)$$
Gráfico
Derivada de y=arctg2x∙tg2x