(5/r)+(11/2r)

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Solution for (5/r)+(11/2r) equation: 


D( r )

r = 0

r = 0

r = 0

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

(11/2)*r+5/r = 0

11/2*r^1+5*r^-1 = 0

(11/2*r^2+5*r^0)/(r^1) = 0 // * r^2

r^1*(11/2*r^2+5*r^0) = 0

r^1

(11/2)*r^2+5 = 0

(11/2)*r^2+5 = 0

DELTA = 0^2-(4*5*(11/2))

DELTA = -110

DELTA < 0

r in { } 

r belongs to the empty set

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