Question

Scoateţi factorii de sub radicali:
a) V12, V18, 127, 132, 175, 198;

Buna daca puteți sa ma ajutați la acest exercițiu dau 10 puncte si coroana!!​

Answer 1

$\sqrt{12} = \sqrt{4\cdot 3} = \sqrt{2^2\cdot 3} = \sqrt{2^2}\cdot \sqrt{3} = 2\sqrt{3}$

$\sqrt{18} = \sqrt{9\cdot 2} = \sqrt{3^2\cdot 2} = \sqrt{3^2}\cdot \sqrt{2} = 3\sqrt{2}$

$\sqrt{27} = \sqrt{9\cdot 3} = \sqrt{3^2\cdot 3} = \sqrt{3^2}\cdot \sqrt{3} = 3\sqrt{3}$

$\sqrt{32} = \sqrt{16\cdot 2} = \sqrt{4^2\cdot 2} = \sqrt{4^2}\cdot 2 = 4\sqrt{2}$

$\sqrt{75} = \sqrt{25\cdot 3} = \sqrt{5^2\cdot 3} = \sqrt{5^2}\cdot \sqrt{3} = 5\sqrt{3}$

$\sqrt{98} = \sqrt{49\cdot 2} = \sqrt{7^2\cdot 2} = \sqrt{7^2}\cdot \sqrt{2} = 7\sqrt{2}$