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One of the roots of the equation 54x^6 +...

One of the roots of the equation `54x^6 +27x^5 + 9x^3 + 3x = 2(x^2!=1/3)` is form `(-sqrtm+-sqrtn)/(sqrt3.r)` where `m` non zero integer and `n` and `r` are co-prime to each other, then the value of `(m+n).r` is equal to

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