2/n+1=6/2n+1-1/n-3

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Solution for 2/n+1=6/2n+1-1/n-3 equation: 


D( n )

n = 0

n = 0

n = 0

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

2/n+1 = (6/2)*n-(1/n)-3+1 // - (6/2)*n-(1/n)-3+1

2/n-((6/2)*n)+1/n-1+1+3 = 0

2/n-3*n+1/n-1+1+3 = 0

3*n^-1-3*n^1+3*n^0 = 0

(3*n^1-3*n^2+3*n^0)/(n^1) = 0 // * n^2

n^1*(3*n^1-3*n^2+3*n^0) = 0

n^1

3*n-3*n^2+3 = 0

3*n-3*n^2+3 = 0

DELTA = 3^2-(-3*3*4)

DELTA = 45

DELTA > 0

n = (45^(1/2)-3)/(-3*2) or n = (-45^(1/2)-3)/(-3*2)

n = (3*5^(1/2)-3)/(-6) or n = (-3*5^(1/2)-3)/(-6)

n in { (3*5^(1/2)-3)/(-6), (-3*5^(1/2)-3)/(-6)} 

n in { (3*5^(1/2)-3)/(-6), (-3*5^(1/2)-3)/(-6) }

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