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[" If "2x^(3)-5x^(2)+x+2=(x-2)(ax^(2)-bx...

[" If "2x^(3)-5x^(2)+x+2=(x-2)(ax^(2)-bx-1)],[" then "a&b" are respectively "],[[" (A) "2,1," (B) "2,-1],[" (C) "1,2," (D) "-1,1/2]]

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