2/5=6/b-2

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Solution for 2/5=6/b-2 equation: 


D( b )

b = 0

b = 0

b = 0

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

2/5 = 6/b-2 // - 6/b-2

2/5-(6/b)+2 = 0

2/5-6*b^-1+2 = 0

-6*b^-1 = -12/5 // : -6

b^-1 = 2/5

-1 < 0

1/(b^1) = 2/5 // * b^1

1 = 2/5*b^1 // : 2/5

5/2 = b^1

b = 5/2

b = 5/2

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