mbalboa72 mbalboa72
  • 07-05-2020
  • Mathematics
contestada

Find the dot product of the given vectors.
u=9i+4j
v=3i−j

Respuesta :

mysticchacha
mysticchacha mysticchacha
  • 07-05-2020

Answer:

23

Step-by-step explanation:

By definition of dot-product

sum the corresponding products.

u * v =  <9, 4> *<3, -1> = 9*3 + 4*(-1) = 27 -4 = 23

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