Gabby2791 Gabby2791
  • 09-09-2017
  • Mathematics
contestada

What is the dot product of vectors aand bif a=3i+ -2j–7kand b=10i-4j-2k?

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OMAX OMAX
  • 09-09-2017
a•b = (3×10) + (-2×-4) + (-7×-2) = 30 + 8 + 14 = 52
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