please give answer of question 6 and 8 given in the pic.
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Q6--
x^2 -(√2+1)x +√2=0
x^2 -√2x -x +√2 =0
x(x-√2)-1(x-√2)=0
(x-1)(x-√2)=0
x=1,√2
x^2 -(√2+1)x +√2=0
x^2 -√2x -x +√2 =0
x(x-√2)-1(x-√2)=0
(x-1)(x-√2)=0
x=1,√2
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