1/x+1/y=1/z

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Solution for 1/x+1/y=1/z equation: 


D( x )

x = 0

x = 0

x = 0

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

1/x+1/y = 1/z // - 1/z

1/x+1/y-(1/z) = 0

1/x+1/y-z^-1 = 0

1*x^-1 = -(y^-1-z^-1) // : 1

x^-1 = z^-1-y^-1

-1 < 0

1/(x^1) = z^-1-y^-1 // * x^1

1 = x^1*(z^-1-y^-1) // : z^-1-y^-1

1/(z^-1-y^-1) = x^1

x = 1/(z^-1-y^-1)

x = 1/(z^-1-y^-1)

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