36/390=390/x

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Solution for 36/390=390/x equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

36/390 = 390/x // - 390/x

36/390-(390/x) = 0

36/390-390*x^-1 = 0

-390*x^-1 = -6/65 // : -390

x^-1 = 1/4225

-1 < 0

1/(x^1) = 1/4225 // * x^1

1 = 1/4225*x^1 // : 1/4225

4225 = x^1

x = 4225

x = 4225

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