Question

what is the projection of (3,4) onto (3,1)?

Answer 1

1.3(3,1)

Answer 2

a.b/|a|^2 is the scalar to a

Answer 3

?? its wrong?

Answer 4

of is b and onto is a

a.b = 3.3+4.1 = 9+4 = 13

(3,1)^2 = 9+1 = 10

13/10 (3,1)

Answer 5

its good

Answer 6

ok can you just my other answer about the sum?