12/18=72/n

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Solution for 12/18=72/n equation: 


D( n )

n = 0

n = 0

n = 0

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

12/18 = 72/n // - 72/n

12/18-(72/n) = 0

12/18-72*n^-1 = 0

-72*n^-1 = -2/3 // : -72

n^-1 = 1/108

-1 < 0

1/(n^1) = 1/108 // * n^1

1 = 1/108*n^1 // : 1/108

108 = n^1

n = 108

n = 108

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