cos(ln(x))/x=0

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Solution for cos(ln(x))/x=0 equation: 


D( x )

x <= 0

x = 0

x <= 0

x = 0

x = 0

x in (0:+oo)

cos(ln(x))/x = 0

cos(ln(x))/x = 0 // * x

cos(ln(x)) = 0

cos(ln(x)) = 0  <=>  ln(x) = pi*k_1+pi/2 i k_1 należy do I

t_3 = pi*k_1+pi/2

ln(x)-t_3 = 0

ln(x)-t_3 = 0 // + t_3

ln(x) = t_3

ln(x) = ln(e^t_3)

x = e^t_3

x = e^pi*k_1+pi/2 i k_1 należy do I

x = e^pi*k_1+pi/2

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