81/N=27

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Solution for 81/N=27 equation: 


D( N )

N = 0

N = 0

N = 0

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

81/N = 27 // - 27

81/N-27 = 0

81*N^-1 = 27 // : 81

N^-1 = 1/3

-1 < 0

1/(N^1) = 1/3 // * N^1

1 = 1/3*N^1 // : 1/3

3 = N^1

N = 3

N = 3

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