1.x^2=(4*3^0.5)x-11
x^2-(4*3^0.5)x+11=0
x1=2*3^0.5+(12-11)^0.5=2*3^0.5+1
x2=2*3^0.5-(12-11)^0.5=2*3^0.5-1
2.(2^0.5)x^2-2x-2^0.5=0
x^2-(2x)/(2^0.5)-1=0
x^2-(2^0.5)x-1=0
x1=(2^0.5)/2+(1/2+1)^0.5=1/(2^0.5)+(3/2)^0.5=(1+3^0.5)/(2^0.5)
x2=(2^0.5)/2-(1/2+1)^0.5=1/(2^0.5)-(3/2)^0.5=(1-3^0.5)/(2^0.5)