Question

How do you compute the dot product for `<1,2>*<3,4>`?

Answer 1

`11.`

Explanation:

Let the vectors `vecx=(a,b)` and `vecy`=`(c,d)`

Then, the Dot Product of these vectors, denoted by `vecx`.`vecy`=`ac+bd.`

In our case, the desired product `=1*3+2*4=3+8=11`.