1-1/n=9

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Solution for 1-1/n=9 equation: 


D( n )

n = 0

n = 0

n = 0

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

1-(1/n) = 9 // - 9

1-(1/n)-9 = 0

1-n^-1-9 = 0

-1*n^-1 = 8 // : -1

n^-1 = -8

-1 < 0

1/(n^1) = -8 // * n^1

1 = -8*n^1 // : -8

-1/8 = n^1

n = -1/8

n = -1/8

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