39/b=13/15

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Solution for 39/b=13/15 equation: 


D( b )

b = 0

b = 0

b = 0

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

39/b = 13/15 // - 13/15

39/b-(13/15) = 0

39/b-13/15 = 0

39*b^-1 = 13/15 // : 39

b^-1 = 1/45

-1 < 0

1/(b^1) = 1/45 // * b^1

1 = 1/45*b^1 // : 1/45

45 = b^1

b = 45

b = 45

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