Question

Find a ⋅ b.

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

I think it's <4, 9>. Is that correct?

Answer 1

dot product is NOT a vector

Answer 2

dot product of two vectors gives u a scalar

Answer 3

what you did is a + b
but you need to do a.b right ?

Answer 4

So it'd be 24?

Answer 5

@ganeshie8

Answer 6

You got it !!

Answer 7

Thanks!

Answer 8

dot product : just "multiply" the corresponding components and "add"

Answer 9

np :)