Seudónimo Seudónimo
  • 09-12-2020
  • Mathematics
contestada

Find a · b.
a = 5i + 4j − k, b = −4i + 9k

Respuesta :

donutsncookies
donutsncookies donutsncookies
  • 09-12-2020

Answer

a · b= the square root of b(5i + 4j - k) divided by b

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