jika vektor u = { 6,-3,3 } dan v = { -2, -4, 2 }, hasil 2 | u | + | v | =

ini jawaban saya, kalo ada salah tolong dicek lagi heheh

2 |u| + |v| =
2 √{6² + (-3)² + 3²} + √{(-2)² + (-4)² + 2²} =
2 √{36 + 9 + 9} + √{4 + 16 + 4} =
2 √54 + √24 =
2 . 3√6 + 2√6 =
6√6 + 2√6 =
8√6