ab=100
a^2*b^2=10000 (1)
b/a=√3/3
b^2/a^2=1/3 (2)
(1)/(2)：
a^4=10000/(1/3)=30000
a=±(30000)^(1/4)=±10*3^(1/4)
b=100/a=100/[±10*3^(1/4)]=±10*3^(-1/4)