9/15=3/n

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Solution for 9/15=3/n equation: 


D( n )

n = 0

n = 0

n = 0

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

9/15 = 3/n // - 3/n

9/15-(3/n) = 0

9/15-3*n^-1 = 0

-3*n^-1 = -3/5 // : -3

n^-1 = 1/5

-1 < 0

1/(n^1) = 1/5 // * n^1

1 = 1/5*n^1 // : 1/5

5 = n^1

n = 5

n = 5

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