120/n=30

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Solution for 120/n=30 equation: 


D( n )

n = 0

n = 0

n = 0

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

120/n = 30 // - 30

120/n-30 = 0

120*n^-1 = 30 // : 120

n^-1 = 1/4

-1 < 0

1/(n^1) = 1/4 // * n^1

1 = 1/4*n^1 // : 1/4

4 = n^1

n = 4

n = 4

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