42/n=2

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Solution for 42/n=2 equation: 


D( n )

n = 0

n = 0

n = 0

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

42/n = 2 // - 2

42/n-2 = 0

42*n^-1 = 2 // : 42

n^-1 = 1/21

-1 < 0

1/(n^1) = 1/21 // * n^1

1 = 1/21*n^1 // : 1/21

21 = n^1

n = 21

n = 21

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