Find an equation with rational Coefficient one root of which is 3-√2
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if one root is 3-√2 then another root is 3+√2
because surd roots always exist as conjugate pairs
so the sum of roots is 6 and product is 7
so the equation is x^2-6x+7=0
because surd roots always exist as conjugate pairs
so the sum of roots is 6 and product is 7
so the equation is x^2-6x+7=0
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