5n+15/n+3

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Solution for 5n+15/n+3 equation: 


D( n )

n = 0

n = 0

n = 0

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

5*n+15/n+3 = 0

5*n^1+15*n^-1+3*n^0 = 0

(5*n^2+3*n^1+15*n^0)/(n^1) = 0 // * n^2

n^1*(5*n^2+3*n^1+15*n^0) = 0

n^1

5*n^2+3*n+15 = 0

5*n^2+3*n+15 = 0

DELTA = 3^2-(4*5*15)

DELTA = -291

DELTA < 0

n in { } 

n belongs to the empty set

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