Exercice 2
Écrire les nombres suivants sous la forme \(a\sqrt{b}\), où \(a\) et \(b\) désignent deux entiers naturels, \(b\) tant le plus petit possible.
Question
\(\sqrt{40}\)
Solution
\(\sqrt{40} = 2\sqrt{10}\)
Question
\(\sqrt{99}\)
Solution
\(\sqrt{99} = 3\sqrt{11}\)
Question
\(\sqrt{54}\)
Solution
\(\sqrt{54} = 3\sqrt{6}\)
Question
\(\sqrt{63} \)
Solution
\(\sqrt{63} = 3\sqrt{7}\)
Question
\(\sqrt{32}\)
Solution
\(\sqrt{32} = 4\sqrt{2}\)
Question
\(\sqrt{675}\)
Solution
\(\sqrt{675} = 15\sqrt{3}\)\(\)
Question
\(\sqrt{144}\)
Solution
\(\sqrt{144} = 12\sqrt{1} = 12\)