gunshow215 gunshow215
  • 17-05-2020
  • Mathematics
contestada

Use the dot product to find lv| when v=(-2,-1)

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jasminee211
jasminee211 jasminee211
  • 17-05-2020
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)
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rabbitheadon32
rabbitheadon32 rabbitheadon32
  • 21-01-2021

Answer:

C on E2020

Have a Great Day :)

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