1.

IFalpha, betabe theroots of6x^2-6x +1=0 then (1)/(2) (a+ ba+ calpha^2+ dalpha ^3)+(1)/(2)(a+ b beta + cbeta^2 +d beta ^3)=

Answer»

`a + beta+C+d`
` a + 2B + 3C + 4D `
`a+b//2+c//3 + d //4`
none

Answer :C


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