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21 December, 05:55

Evaluate the dot product of (2 4) and (1 - 2)

+4
Answers (2)
  1. 21 December, 06:48
    0
    I'd suggest writing this as

    dot. Another name for this is "scalar product."

    Rule: dot = ac + bd

    Thus,

    dot comes out to (2) (1) + (4) (-2) = - 6 (which is a scalar).
  2. 21 December, 06:49
    0
    That would be 2*1 + 4*-2 = 2 - 8 = - 6 Answer
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