emilyng4535 emilyng4535
  • 07-06-2023
  • Mathematics
contestada

For v and W∈R 8
, if ∥v−w∥=3,∥v∥=5 and ∥w∥=2 Then v⋅W= (Hint: Use the fact that ∥v−w∥ 2
=(v−w)⋅(v−w).) If θ is the angle between the vectors v and w, then cosθ=

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