Consider the following.

$u=5i+7j$

$v=-3i+j+5k$

Find $uv.$

Determine if $uv$ is orthogonal to both $u$ and $v$ by finding the values below.

$u*(uv)=$

$v*(uv)=$

$uv$ is orthogonal to both $u$ and $v.$

$uv$ is not orthogonal to both $u$ and $v.$