Question

найти длину вектора а, если а (-2, 1, 2),

Answer 1

длиннв а= корень из 4+1+4=3

Answer 2

а = корень из (-2)^2 + 1^2 + 2^2 = корень из 9 = 3

Answer 3

I can help you with your math question. The length of a vector $\mathbf{a}$ is given by the formula:

$$\|\mathbf{a}\| = \sqrt{a_x^2 + a_y^2 + a_z^2}$$

where $a_x$, $a_y$, and $a_z$ are the components of the vector. In your case, $\mathbf{a} = (-2, 1, 2)$, so the length is:

$$\|\mathbf{a}\| = \sqrt{(-2)^2 + (1)^2 + (2)^2} = \sqrt{9} = 3$$

Therefore, the length of the vector $\mathbf{a}$ is 3. I hope this helps.Ответь+подробно.+найти+длину+вектора+а,+если+а+(-2,+1,+2),