c+8/c-9*c+3/c-3

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Solution for c+8/c-9*c+3/c-3 equation: 


D( c )

c = 0

c = 0

c = 0

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

c-(9*c)+8/c+3/c-3 = 0

c-9*c+8/c+3/c-3 = 0

11*c^-1-8*c^1-3*c^0 = 0

(11*c^0-8*c^2-3*c^1)/(c^1) = 0 // * c^2

c^1*(11*c^0-8*c^2-3*c^1) = 0

c^1

11-8*c^2-3*c = 0

11-8*c^2-3*c = 0

DELTA = (-3)^2-(-8*4*11)

DELTA = 361

DELTA > 0

c = (361^(1/2)+3)/(-8*2) or c = (3-361^(1/2))/(-8*2)

c = -11/8 or c = 1

c in { -11/8, 1} 

c in { -11/8, 1 }

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