Question

rezultatul calculului |3-radical de 7 |+radical de(2-radical de 7)^2

Answer 1

$\it |3-\sqrt7| +\sqrt{(2-\sqrt7)^2} = |3-\sqrt7| + |2-\sqrt7| =$

$\it |\sqrt7-3| + |\sqrt7-2| = \sqrt7-3+\sqrt7-2 = 2\sqrt7-5\ .$