a=29-(204/a)

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Solution for a=29-(204/a) equation: 


D( a )

a = 0

a = 0

a = 0

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

a = 29-(204/a) // - 29-(204/a)

a+204/a-29 = 0

1*a^1+204*a^-1-29*a^0 = 0

(1*a^2-29*a^1+204*a^0)/(a^1) = 0 // * a^2

a^1*(1*a^2-29*a^1+204*a^0) = 0

a^1

a^2-29*a+204 = 0

a^2-29*a+204 = 0

DELTA = (-29)^2-(1*4*204)

DELTA = 25

DELTA > 0

a = (25^(1/2)+29)/(1*2) or a = (29-25^(1/2))/(1*2)

a = 17 or a = 12

a in { 12, 17} 

a in { 12, 17 }

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