Question

Find a ⋅ b.

a = <5, 2>, b = <4, 5>

Answer 1

@mathstudent55

Answer 2

they are in the Cartesian form of a(x,y)
and b(x,y)

Answer 3

so a.b=(ax.bx,ay.by)

Answer 4

so a.b=(5 x 4,2 x 5)

Answer 5

a.b=(20,10)

Answer 6

Thanks for responding but since you asked I'm not giving you a medal. :) I was just about to give you one, too...

Answer 7

ok thanks.