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Solution :

`3x^2 - 2 sqrt6 x + 2 = 0` <br>
`( sqrt3 x)^2 - 2 sqrt3 sqrt2 x + (sqrt2)^2= 0 ` <br>
`(sqrt3 x- sqrt2)^2 = 0` <br>
`x= sqrt(2/3)` <br>
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