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[" 10.If two roots of "(x-1)(2x^(2)-3x+4...

[" 10.If two roots of "(x-1)(2x^(2)-3x+4)=0" are "],[" coincident with roots of the equation "],[x^(3)+(a+1)x^(2)+(a+b)x+b=0," where "a,b in R],[" Then,"2(a+b)" is equal to "],[[" (a) "4," (b) "2," (c) "1," (d) "0]]

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