5/9=45/n

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Solution for 5/9=45/n equation: 


D( n )

n = 0

n = 0

n = 0

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

5/9 = 45/n // - 45/n

5/9-(45/n) = 0

5/9-45*n^-1 = 0

-45*n^-1 = -5/9 // : -45

n^-1 = 1/81

-1 < 0

1/(n^1) = 1/81 // * n^1

1 = 1/81*n^1 // : 1/81

81 = n^1

n = 81

n = 81

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