6/6b-7=2/b-7

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Solution for 6/6b-7=2/b-7 equation: 


D( b )

b = 0

b = 0

b = 0

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

(6/6)*b-7 = 2/b-7 // - 2/b-7

(6/6)*b-(2/b)-7+7 = 0

(6/6)*b-2*b^-1-7+7 = 0

1*b^1-2*b^-1 = 0

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

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

b^1

b^2-2 = 0

b^2-2 = 0

DELTA = 0^2-(-2*1*4)

DELTA = 8

DELTA > 0

b = (8^(1/2)+0)/(1*2) or b = (0-8^(1/2))/(1*2)

b = 2^(1/2) or b = -2^(1/2)

b in { -2^(1/2), 2^(1/2)} 

b in { -2^(1/2), 2^(1/2) }

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