4/3b-1/b^2+2b

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Solution for 4/3b-1/b^2+2b equation: 


D( b )

b^2 = 0

b^2 = 0

b^2 = 0

1*b^2 = 0 // : 1

b^2 = 0

b = 0

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

(4/3)*b+2*b-(1/(b^2)) = 0

(4/3)*b+2*b-b^-2 = 0

10/3*b-b^-2 = 0

b*(10/3-b^-3) = 0

-1*b^-3 = -10/3 // : -1

b^-3 = 10/3

-3 < 0

1/(b^3) = 10/3 // * b^3

1 = 10/3*b^3 // : 10/3

3/10 = b^3

b^3 = 3/10 // ^ 1/3

b = (3/10)^(1/3)

b = 0

b = 0

b in { 0} 

b = (3/10)^(1/3)

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