Solución detallada
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Según el principio, aplicamos: tenemos
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Simplificamos:
Respuesta:
atan(7*c)
x *atan(7*c)
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x
$$\frac{x^{\operatorname{atan}{\left(7 c \right)}} \operatorname{atan}{\left(7 c \right)}}{x}$$
atan(7*c)
x *(-1 + atan(7*c))*atan(7*c)
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2
x
$$\frac{x^{\operatorname{atan}{\left(7 c \right)}} \left(\operatorname{atan}{\left(7 c \right)} - 1\right) \operatorname{atan}{\left(7 c \right)}}{x^{2}}$$
atan(7*c) / 2 \
x *\2 + atan (7*c) - 3*atan(7*c)/*atan(7*c)
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3
x
$$\frac{x^{\operatorname{atan}{\left(7 c \right)}} \left(\operatorname{atan}^{2}{\left(7 c \right)} - 3 \operatorname{atan}{\left(7 c \right)} + 2\right) \operatorname{atan}{\left(7 c \right)}}{x^{3}}$$