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Assume that a vector $a$ of length $∥a∥=3$ units. In addition, $a$ points in a direction that is $135_{∘}$ counterclockwise from the positive $x$-axis, and a vector $b$ in th $xy$-plane has a length $∥b∥=31 $ and points in the positive $y$-direction.
6.2) Calculate the distance between the point $(−1,3 )$ and the line $2x−2y−5=0$.

We have a point and a line