9/n=81

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Solution for 9/n=81 equation: 


D( n )

n = 0

n = 0

n = 0

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

9/n = 81 // - 81

9/n-81 = 0

9*n^-1 = 81 // : 9

n^-1 = 9

-1 < 0

1/(n^1) = 9 // * n^1

1 = 9*n^1 // : 9

1/9 = n^1

n = 1/9

n = 1/9

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