4/3b-2-7/b+2

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Solution for 4/3b-2-7/b+2 equation: 


D( b )

b = 0

b = 0

b = 0

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

(4/3)*b-(7/b)-2+2 = 0

(4/3)*b-7*b^-1-2+2 = 0

4/3*b^1-7*b^-1 = 0

(4/3*b^2-7*b^0)/(b^1) = 0 // * b^2

b^1*(4/3*b^2-7*b^0) = 0

b^1

(4/3)*b^2-7 = 0

(4/3)*b^2-7 = 0

DELTA = 0^2-(-7*4*(4/3))

DELTA = 112/3

DELTA > 0

b = ((112/3)^(1/2)+0)/(2*(4/3)) or b = (0-(112/3)^(1/2))/(2*(4/3))

b = 3/8*(112/3)^(1/2) or b = 3/8*(112/3)^(1/2)

b in { 3/8*(112/3)^(1/2), 3/8*(112/3)^(1/2)} 

b in { 3/8*(112/3)^(1/2), 3/8*(112/3)^(1/2) }

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