ElcieS79750 ElcieS79750
  • 03-11-2022
  • Mathematics
contestada

Find u · v.u = 6i − 4jv = i − j

Find u vu 6i 4jv i j class=

Respuesta :

CroyT330748 CroyT330748
  • 03-11-2022
[tex]\begin{gathered} u=6i-4j \\ v=i-j \\ u\cdot v=(6i-4j)\cdot(i-j) \\ u\cdot v=6(i\cdot i)+4(j\cdot j) \\ u\cdot v=6+4 \\ u\cdot v=10 \end{gathered}[/tex]

Answer Link

Otras preguntas

correct sentences:He is younger than me​
How is it possible for water to be polar but uncharged?
Which element is most likely to be shiny? sulfur (S) boron (B) calcium (Ca) carbon (C)
Who was Salahuddin Ayubi? Write a note on his conquests and personality.
Y'all please help! Soon, the ship was crushed by the pack ice, and the Endurance sank to the bottom. What is the best way to revise this sentence so that it is
The main goal of science is to
Help ASAP please! Idk what to do!!!!!!
Can someone please help me find the length and width please? 10 POINTS
What is the slope of a line perpendicular to the line whose equations is x-y=6
Donna-Lynn is preparing a visual display of psychology's early history. One panel is headed "The Gay '90s." It portrays developments in the 1890s. Another panel