Respuesta :

jasminee211
V = (-2, -1)

By using dot products
v • v = (-2, -1) • (-2, -1)

v^2 = {(-2) • (-2)} + {(-1) • (-1)}

V^2 = 4 + 1

v^2 = 5

:. v = sq root of (5)
rabbitheadon32

Answer:

C on E2020

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