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Assume roots are a/r^3,a/r,a*r,a*r^3, where a,r belongs to R.
Now construct an equation as (x-a/r^3)*(x-a/r)(x-a*r)*(x-a*r^3) = 0, then compare with above equation and find roots.
Roots are 8/9,4/3,2,3
(r^2 = 3/2)
Now construct an equation as (x-a/r^3)*(x-a/r)(x-a*r)*(x-a*r^3) = 0, then compare with above equation and find roots.
Roots are 8/9,4/3,2,3
(r^2 = 3/2)
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