n-4/n-6

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Solution for n-4/n-6 equation: 


D( n )

n = 0

n = 0

n = 0

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

n-(4/n)-6 = 0

n-4*n^-1-6 = 0

1*n^1-4*n^-1-6*n^0 = 0

(1*n^2-6*n^1-4*n^0)/(n^1) = 0 // * n^2

n^1*(1*n^2-6*n^1-4*n^0) = 0

n^1

n^2-6*n-4 = 0

n^2-6*n-4 = 0

DELTA = (-6)^2-(-4*1*4)

DELTA = 52

DELTA > 0

n = (52^(1/2)+6)/(1*2) or n = (6-52^(1/2))/(1*2)

n = (2*13^(1/2)+6)/2 or n = (6-2*13^(1/2))/2

n in { (6-2*13^(1/2))/2, (2*13^(1/2)+6)/2} 

n in { (6-2*13^(1/2))/2, (2*13^(1/2)+6)/2 }

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