Răspuns:
[tex]2 \sqrt{3} = \sqrt{ {2}^{2} \times 3 } = \sqrt{4 \times 3} = \sqrt{12} [/tex]
[tex]5 \sqrt{2 } = \sqrt{ {5}^{2} \times 2 } = \sqrt{25 \times 2} = \sqrt{50} [/tex]
[tex]4 \sqrt{3} = \sqrt{ {4}^{2} \times 3} = \sqrt{16 \times 3 } = \sqrt{48} [/tex]
[tex]9 \sqrt{2} = \sqrt{ {9}^{2} \times 2 } = \sqrt{81 \times 2} = \sqrt{162} [/tex]
