15/30=2/n

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Solution for 15/30=2/n equation: 


D( n )

n = 0

n = 0

n = 0

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

15/30 = 2/n // - 2/n

15/30-(2/n) = 0

15/30-2*n^-1 = 0

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

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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