4/2=8/n

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Solution for 4/2=8/n equation: 


D( n )

n = 0

n = 0

n = 0

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

4/2 = 8/n // - 8/n

4/2-(8/n) = 0

4/2-8*n^-1 = 0

-8*n^-1 = -2 // : -8

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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