Answer
$u\cdot v =ac+ bd$
Work Step by Step
The dot product of the two vectors $u =\left\langle a,b \right\rangle$ and $v =\left\langle c,d \right\rangle$ is denoted
$u\cdot v$, read “$u$ dot $ v$,” and given by the following:
$u\cdot v =ac+ bd$ .
