8.4/b=2.1

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Solution for 8.4/b=2.1 equation: 


D( b )

b = 0

b = 0

b = 0

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

8.4/b = 2.1 // - 2.1

8.4/b-2.1 = 0

8.4*b^-1 = 2.1 // : 8.4

b^-1 = 0.25

-1 < 0

1/(b^1) = 0.25 // * b^1

1 = 0.25*b^1 // : 0.25

4 = b^1

b = 4

b = 4

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