ihsan10
ihsan10 ihsan10
  • 25-05-2023
  • Mathematics
contestada

6a) Suppose A = A1i A2j + A3k and B = B1i+B2j+B3k. Prove that A ∙ B = A1B1 + A2B2 + A3B3.


6b) Find the angle between the vectors A = 2i+2j-k and B = 7i+24k.​

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