3/4=12/b

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Solution for 3/4=12/b equation: 


D( b )

b = 0

b = 0

b = 0

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

3/4 = 12/b // - 12/b

3/4-(12/b) = 0

3/4-12*b^-1 = 0

-12*b^-1 = -3/4 // : -12

b^-1 = 1/16

-1 < 0

1/(b^1) = 1/16 // * b^1

1 = 1/16*b^1 // : 1/16

16 = b^1

b = 16

b = 16

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