Hasil dari 3√32-√8+√128-5√18

Mapel : Matematika
Materi : Akar dan Pangkat
Kelas : 9


[tex] = 3 \sqrt{32} - \sqrt{8} + \sqrt{128} - 5 \sqrt{18} \\ = 3 (4 \sqrt{2} ) - 2 \sqrt{2} + 8 \sqrt{2} - 5(3 \sqrt{2} ) \\ = 12 \sqrt{2} - 2 \sqrt{2} + 8 \sqrt{2} - 5 \sqrt{2} \\ = (12 - 2 + 8 - 5) \sqrt{2} \\ = 13 \sqrt{2} [/tex]

3 √16.2 - √4.2 + √64.2- 5 √9.2=
3.4 √2-2 √2+8 √2-5.3 √2=
12 √-2 √2+8 √2-15 √2=3 √2