The municipality of Ruurlo also includes the following towns, villages and townships: Brinkmanshoek[?], De Bruil[?], De Haar[?], Heurne[?], Mariënvelde[?], Veldhoek[?].
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... solutions are complex conjugates of each other. (In this case, the parabola does not intersect the x-axis at all.) Note that when computing roots numerically, the usual ...