3b=(108/b)

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Solution for 3b=(108/b) equation: 


D( b )

b = 0

b = 0

b = 0

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

3*b = 108/b // - 108/b

3*b-(108/b) = 0

3*b-108*b^-1 = 0

3*b^1-108*b^-1 = 0

(3*b^2-108*b^0)/(b^1) = 0 // * b^2

b^1*(3*b^2-108*b^0) = 0

b^1

3*b^2-108 = 0

3*b^2-108 = 0

DELTA = 0^2-(-108*3*4)

DELTA = 1296

DELTA > 0

b = (1296^(1/2)+0)/(2*3) or b = (0-1296^(1/2))/(2*3)

b = 6 or b = -6

b in { -6, 6} 

b in { -6, 6 }

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