13/2=65/n

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Solution for 13/2=65/n equation: 


D( n )

n = 0

n = 0

n = 0

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

13/2 = 65/n // - 65/n

13/2-(65/n) = 0

13/2-65*n^-1 = 0

-65*n^-1 = -13/2 // : -65

n^-1 = 1/10

-1 < 0

1/(n^1) = 1/10 // * n^1

1 = 1/10*n^1 // : 1/10

10 = n^1

n = 10

n = 10

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