n-2/n-4

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Solution for n-2/n-4 equation: 


D( n )

n = 0

n = 0

n = 0

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

n-(2/n)-4 = 0

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

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

(1*n^2-4*n^1-2*n^0)/(n^1) = 0 // * n^2

n^1*(1*n^2-4*n^1-2*n^0) = 0

n^1

n^2-4*n-2 = 0

n^2-4*n-2 = 0

DELTA = (-4)^2-(-2*1*4)

DELTA = 24

DELTA > 0

n = (24^(1/2)+4)/(1*2) or n = (4-24^(1/2))/(1*2)

n = (2*6^(1/2)+4)/2 or n = (4-2*6^(1/2))/2

n in { (4-2*6^(1/2))/2, (2*6^(1/2)+4)/2} 

n in { (4-2*6^(1/2))/2, (2*6^(1/2)+4)/2 }

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