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8 July, 03:10

Find a ⋅ b.

a = 7i - 4j, b = 4i + 3j

A)

B) 16

C) - 40

D)

+4
Answers (2)
  1. 8 July, 03:29
    0
    Answer c is the answer
  2. 8 July, 03:35
    0
    The answer is C) - 40

    a = 7i - 4j, b = 4i + 3j
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