The sum of all non-integer roots of the equation \( x^{5}-6 x^{4}+ \) \( 11 x^{3}-5 x^{2}-3 x+2=...

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The sum of all non-integer roots of the equation \( x^{5}-6 x^{4}+ \) \( 11 x^{3}-5 x^{2}-3 x+2=0 \) is
(a) 6
(b) -11
(c) -5
(d) 3
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