17th century
18th century
19th century
Monarchs as military commanders Main article: List of Swedish monarchs
See also: List of Swedish Field Marshals, List of military commanders, List of Swedes
... on x) to the expression to the left of "=", that will make it a perfect square trinomial of the form x2 + 2xy + y2. Since "2xy" in this case is (b/a)x, we must have y = ...