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hello guys so in this video i want to talk about that product where weamp;#39;re going to discuss the definitions of that product and its meaning so first weamp;#39;re going to take the dot product of two vectors a and b but before that remember that we have a number we can think about the number as the length of the line segment but we can just take a number and make a vector by assigning the direction to that line segment so in other words a vector is going to be some quantity with a magnitude and direction next step what do you want to do we want to express our vectors in terms of coordinates if we want to find the dot product using coordinates of our vector so first letamp;#39;s take vector with some vector a and cartesian coordinates x y then iamp;#39;m going to put my vector at the origin and uh what else do i have i have two unit vectors along x axis and y axis iamp;#39;m going to name them vector i with coordinates 1 0 and vector j with coordinate 0 1 and then you
