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Worksheet: Magnitude of a Vector in 3D

Q1:

If A = 2 , 5 , 2 , find | | A .

  • A 1
  • B33
  • C1
  • D 3 3

Q2:

If A = 1 , 4 , 6 , find | | A .

  • A 9
  • B53
  • C81
  • D 5 3

Q3:

If A = 5 , 1 , 1 , find | | A .

  • A5
  • B27
  • C25
  • D 3 3

Q4:

If and , determine .

  • A
  • B5
  • C
  • D

Q5:

If and , determine .

  • A
  • B
  • C
  • D